Methodology

This site’s only asset is the distinction between a published statement and a thing everyone repeats. Every figure is quoted from a named manufacturer, standards body or scheme document with a URL and the date it was checked, or it carries the exact line “No published statement found (checked date)”. Source figures are not filled from retailer listings. Derived arithmetic and interpolation are labelled as site estimates, separately from published measurements.

Evidence grades

Every source entry and every checker rule carries a grade, rendered next to the figure, not hidden in a tooltip.

The absence line

Where a maker’s document does not state a field, the record carries No published [figure] found (checked [date]), with the document that was checked. The wording is generated from one function and never paraphrased, so it can be recognised by a reader or an assistant. Roughly 40% absence is expected for supermarket and own-brand batteries. That sparsity is the product: a brand that publishes nothing is telling the buyer something. An absence is never converted into a negative claim: an unpublished lithium profile is unpublished, not “does not support lithium”.

A page that could not be read (a bot challenge, a 403, a dead link) is recorded as “could not be read”, not as absence, and listed in the record’s open questions.

Freshness

Evidence status and source age are separate. An unread document stays Unverified — source could not be read, with the date of the attempt. A document that was read but contained no statement is a Checked absence. Other records show the latest source-check date; each individual source keeps its own date. A check older than 120 days is labelled stale, and after 400 days review is overdue. Age does not turn an unread source into verified evidence or erase a checked absence. A site build date is not a verification date. The footer records when pages were generated.

How the checkers work

Both checkers run entirely in your browser on the published dataset. Each output is a structured object carrying the answer, the rule ids, the rule text, the source, the evidence grade, the assumptions and the arithmetic, all rendered adjacent to the number. Where published sources disagree, both answers are shown and both sources named rather than a house favourite picked. The same code runs the page, the assistant tool and the automated tests.

• Battery size checker: rules S1 to S10, with discharge-rate rules S4a–S4d retained as reference evidence rather than applied sizing corrections; S6b, S9-margin and S10-solar do not supply numerical factors.
• Split charge relay or DC-DC charger: determinants D1 to D9, of which D6 (alternator headroom) and D9-year (the model-year rule) are recorded as unverified and never used.

Every rule is a record in data/rules/. The build fails if checker code references a rule with no record, if a convention-graded rule lacks the words “not a standard”, or if an unverified rule is marked as implemented.

Battery sizing is an energy-only estimate: daily Ah × nights / depth-of-discharge fraction. No Peukert or other discharge-rate correction is applied. Daily hours do not establish load overlap or a constant-current discharge profile, so high active currents can require a larger lead-acid bank. Comparisons use C20 or faster published ratings while retaining the actual test rate; they do not establish current capability or permission to parallel batteries.

Temperature capacity is used only for the selected battery: exact points are published measurements; linear interpolation between bracketing numerical points with a 25 °C reference is a labelled site estimate. Outside those points, no endpoint is extended and the estimate is explicitly unadjusted. Charge and discharge minima and maxima are checked separately. Outside a published discharge range, no capacity recommendation is returned. Unknown limits remain unknown.

Onboard charger evidence

The four onboard charger cards supplement the existing mains-charger table. They keep charger specifications, battery-maker pairing statements and vehicle-handbook associations separate. A document edition is not a hardware revision. Conflicting ratings remain attached to their own sources; matching voltages alone do not establish compatibility. Both the applicable charger instructions and the exact battery requirements must be satisfied.

A handbook association does not establish which unit is fitted to an individual vehicle. Missing lithium guidance is an evidence gap, not incompatibility. These cards provide no automatic current comparison or installation approval. Each statement links its document and locator; an unsuccessful later fetch does not refresh a verified-fact date.

For active 230 V appliances, the energy checker asks for the total hours the inverter stays switched on, including idle time. Its named-model calculation divides load energy by the published maximum efficiency, then adds normal zero-load consumption for the entered on-time. This is an approximate convention: maximum efficiency is not measured efficiency at the entered load, and the added idle allowance may overlap losses already included in the efficiency figure. It is not a guaranteed upper or lower bound, or a current-capability check. ECO operation is not modelled. Without a model, the 100% conversion figure remains an explicitly incomplete lower bound.

What this site refuses to do

• No wiring instructions for any vehicle. No ignition-feed, fuse-box tap point, loom or ECU guidance, ever. The maker’s own diagram is linked instead.
• No cable-sizing or fuse-sizing calculator, and no ampacity table. Supplier current ratings for the same cross-section differ and state no assumptions. The 3% voltage-drop figure repeated across the UK campervan web is ABYC E-11 11.14.2.6, a US marine standard; Victron’s 2.5% is a house recommendation offered with the words “the opinions vary somewhat”; no UK standard read for this site sets a 12 V DC drop limit; and BS EN 1648-1/-2, the European standard for 12 V DC installations in leisure vehicles, has not been bought and read here. Until it has, the maker’s own cable and fuse table is linked from each charger record and nothing is calculated.
• No fuse rating without the cable rating it depends on, which follows from the point above: none is output at all.
• No model-year rule. “All vans after 2015 have a smart alternator” has no published source. The checker answers from a measurement and the vehicle maker’s own wording.
• No scores, ratings, stars, adjectives or “best”. Nothing here is tested first-hand. A shortlist requires a published selection rule and the date it was compiled.
• No 230 V guidance beyond pointing at what a competent person works to, and no LPG guidance at all.
• No user-generated content: no comments, reviews or ratings.
• Affiliate status never touches a figure or an order. Rows are alphabetical; retailers with and without programmes are listed alike.

The reason is architectural rather than a matter of disclaimers. UCTA 1977 s.2(1) and CRA 2015 s.65 both bar excluding liability for death or personal injury caused by negligence, and both reach “a notice given to persons generally”, which includes a website notice. Protection therefore has to come from the calculators being correct, conservative and transparently sourced, and from steering the reader to a competent person. See the disclaimer for what the disclaimer can and cannot do.

Why capacity is an array, not a number

Banner publishes its Energy Bull 957 51 as 110 Ah at the 100-hour rate, 100 Ah at the 20-hour rate and 75 Ah at the 5-hour rate. The UK retail listing says “100/110Ah”. A buyer comparing it with an unbranded “110Ah” battery is very likely comparing a 20-hour figure with a 100-hour figure, and at the stated 5-hour test rate its published capacity is 75 Ah. So every battery record stores every rate the maker publishes, records the rate as “unstated” where the maker gives one number without a rate, and the checker labels its energy-only answer with C20 as the comparison basis without converting faster published ratings into C20 test results. Batteries publishing only a 100-hour or unstated figure are listed as “cannot be compared on the published data”.

The NCC Verified Leisure Battery Scheme, and its limits

The scheme classifies leisure batteries into three classes by minimum capacity and minimum life cycles at 50% depth of discharge. It is current and it is used here, with four caveats carried on every page that cites it: the lists name no chemistry beyond a “(Lith)” marker; they do not state the discharge rate the capacity figure uses; the March 2024 list publishes less than the October 2023 list did; and a published critique of the scheme’s test regime exists, which is linked and acknowledged, not adopted as fact.

Appliance figures and the duty-cycle problem

The battery size checker’s accuracy is dominated by duty cycle, not arithmetic. No manufacturer in the index publishes one. Two publish a daily amp-hour figure; only Thetford names a test standard (its range sheet cites “IEC62552-2020”). Dometic’s CRX manual publishes only a rated current of 5.0 A, about 4.5 times its catalogue average of 1.1 Ah/h, so the checker interlocks the rated figure out of the total. Where a maker publishes only a rated figure the line is an upper bound and says so. Where a maker publishes a peak and an average (Truma Combi 4), both are shown and labelled: the peak matters for the supply cable and fuse, which this site does not size; the average sizes the battery. Start-up draws with no published duration (Webasto’s 75 W) are excluded from the total with the reason on screen.

Upkeep

Manufacturer documents change slowly: an annual sweep. NCC lists and retail headline copy change fast: a quarterly sweep. Edit only the record JSON, add a changelog entry, run the checks, deploy. Every change is dated in the changelog and its feed. The corrections page states whether reporting is currently available.

For assistants and agents

The site publishes llms.txt, llms-full.txt, JSON-LD on every page, and the full dataset at /api/v1/. In browsers that support WebMCP, four read-only tools are registered on the checker pages: size_leisure_battery, charging_method, list_products and glossary_lookup. Tool outputs never repeat the numbers a user entered. There is deliberately no cable-sizing tool.

Glossary

C20 (20-hour rate)

The capacity a battery delivers when discharged over 20 hours to its end voltage. The checker uses C20 as the comparison basis for an energy-only estimate, without applying a discharge-rate correction. Faster published battery ratings retain their actual test rate; they are not relabelled C20. A slower 100-hour box figure can give a larger number. Leans on rule S8: Victron Energy blog, technical article (2015): Batteries: Lithium-ion vs AGM, checked 4 November 2026.

C100 (100-hour rate)

The capacity delivered over a 100-hour discharge. For lead-acid it is higher than the 20-hour figure for the same battery. Banner publishes its 957 51 as 110 Ah at C100, 100 Ah at C20 and 75 Ah at C5. Leans on rule I3: Banner GmbH, Energy Bull product brochure, Technical data and information, checked 4 November 2026.

Depth of discharge (DoD)

The share of nameplate capacity taken out before recharging. The NCC scheme rates leisure batteries at 50% DoD, and a 2015 article on Victron’s blog calls 50% generally accepted for AGM and uses 80% for LiFePO4; both are conventions, not standards. Leans on rule S5-la: NCC, Verified Battery List (consumer advice page with scheme class definitions), checked 4 November 2026.

Peukert exponent

A number describing how a battery’s available capacity falls as the discharge current rises (Cp = I^n × t); lead-acid is more affected than lithium. Victron’s battery-monitor default is 1.25 (lead-acid), its manual sets 1.01 for lithium unless the battery supplier advises otherwise, and Victron calls it no more than a rough approximation. Leans on rule S4c: Victron Energy, BMV-712 Smart manual, 8. Battery capacity and Peukert exponent, checked 4 November 2026.

Smart (ECU-controlled) alternator

An alternator whose output voltage is varied by the engine control unit to save fuel and cut emissions; Victron publishes its range as 12.5 V to 15 V on a 12 V system. It does not reliably hold the steady high voltage a voltage-sensing relay needs. Leans on rule D2: Victron Energy, Manual - Orion XS 12/12-50A DC-DC battery charger, checked 4 November 2026.

Voltage-sensing relay (VSR, split charge relay)

A relay that connects the leisure battery to the starter battery when it senses the alternator’s charging voltage, and disconnects when it falls. It passes whatever voltage the alternator gives, including cable drop. Leans on rule D7: Sterling Power Products, Alternator to Battery Chargers up to 130A (product page), checked 4 November 2026.

DC-DC (battery-to-battery) charger

A charger fed from the starter battery that produces a regulated charge profile for the leisure battery while its input voltage is within the charger’s specified range, and can limit the current drawn. Leans on rule D5: Victron Energy, Orion XS manual: Operation, configuration and monitoring, checked 4 November 2026.

Absorption and float voltage

The two voltages a multi-stage charger holds: absorption to finish charging, float to hold the battery full. The figures differ by chemistry, which is why a charger’s published profile matters more than its amps. Leans on rule C1-mismatch: Victron Energy, Blue Smart IP65 Charger 12/4, 12/5, 12/7, 12/10, 12/15, 12/25, 24/5, 24/8, 24/13 | 230V manual, checked 4 November 2026.

NCC Verified Leisure Battery class

The National Caravan Council scheme’s three classes (A, B, C) defined by minimum capacity and minimum life cycles at 50% depth of discharge. The list does not state the discharge rate its capacity figure uses. Leans on rule I1: NCC, Verified Battery List (consumer advice page with scheme class definitions), checked 4 November 2026.

LiFePO4 (lithium iron phosphate)

The lithium chemistry most used in leisure batteries. Victron publishes 2500 cycles at 80% DoD for its LFP Smart range, a charge temperature range of +5 °C to +50 °C, and capacity at +25, 0 and −20 °C. Leans on rule S6c: Victron Energy datasheet: 12,8 & 25,6 Volt Lithium-Iron-Phosphate Batteries Smart, checked 4 November 2026.

Duty cycle

The share of time an appliance such as a compressor fridge’s compressor actually runs. No manufacturer in this index publishes one, so the checker never assumes one; it uses the maker’s published average where there is one and labels a rated figure as an upper bound. Leans on rule S3: Thetford, 12V Compressor refrigerators (2026 range product sheet), checked 4 November 2026.

Sulfation

Capacity loss in a lead-acid battery left partially charged, from sulfate crystals that harden on the plates. Victron: a lead-acid battery will fail prematurely due to sulfation if it operates in deficit mode for long periods or is left partially charged. Leans on rule S7: Victron Energy datasheet: 12,8 & 25,6 Volt Lithium-Iron-Phosphate Batteries Smart, checked 4 November 2026.

Headline (marketed) amp-hours

The capacity figure on the box or the retail listing. It frequently states no discharge rate, and retail copy can quote a longer-rate figure; the index records the rate as “unstated” rather than assuming C20. Leans on rule I3: Banner GmbH, Energy Bull product brochure, Technical data and information, checked 4 November 2026.

Open questions

Every record’s open questions are listed here so nothing unresolved is hidden.

• Banner Energy Bull 955 51: Banner publishes a cycle count ("up to 270") at 50% discharge depth with no end-of-life criterion; the UK brochure says "typically 300-400 cycles" with no DoD. Which test the 270 figure rests on is not stated.
• Banner Energy Bull 955 51: The German Energy Bull brochure (file=455) is undated (Banner's EN product pages link the English edition of the same brochure as "Folder Energy Bull", file=453, with the same table); Banner's EN starter-battery listing carries only 955 01, 956 01, 957 51, 960 51, 963 51 and 968 01 (Energy Bull SLI / DUAL POWER) on 2026-11-04.
• Banner Energy Bull 955 51: No 955 51 product page or technical data sheet was found on bannerbatterien.com/en (URL guesses returned 404 on 2026-09-16; the EN Energy Bull listing still omits it on 2026-11-04). Tayna lists 95551 as "No Longer Available" on 2026-11-04. Treat as a legacy type.
• Banner Energy Bull 955 51: The checker spec's 55/72/85 (5h/20h/100h) figures are confirmed by the Banner German brochure row "955 51 D26 / MO60 55 72 85".
• Banner Energy Bull 955 51: Not on the NCC register dashboard read 2026-11-04 (Classes A, B and C); the October 2023 Class C list carried it as NCC/VB/C/032 (72 Ah, 200 cycles at 50% DoD). The NCC does not say why or when it was removed.
• Banner Energy Bull 957 51: Banner publishes a cycle count ("up to 270") at 50% discharge depth with no end-of-life criterion; the UK brochure says "typically 300-400 cycles" with no DoD. Which test the 270 figure rests on is not stated.
• Banner Energy Bull 957 51: The German Energy Bull brochure (file=455) is undated (Banner's EN product pages link the English edition of the same brochure as "Folder Energy Bull", file=453, with the same table); Banner's EN starter-battery listing carries only 955 01, 956 01, 957 51, 960 51, 963 51 and 968 01 (Energy Bull SLI / DUAL POWER) on 2026-11-04.
• Banner Energy Bull 957 51: Retail copy calls this a "100/110Ah" battery; the 110 is the K100 (100-hour) figure and the NCC list carries 100 Ah with no rate stated.
• Banner Energy Bull 959 01: Banner publishes a cycle count ("up to 270") at 50% discharge depth with no end-of-life criterion; the UK brochure says "typically 300-400 cycles" with no DoD. Which test the 270 figure rests on is not stated.
• Banner Energy Bull 959 01: The German Energy Bull brochure (file=455) is undated (Banner's EN product pages link the English edition of the same brochure as "Folder Energy Bull", file=453, with the same table); Banner's EN starter-battery listing carries only 955 01, 956 01, 957 51, 960 51, 963 51 and 968 01 (Energy Bull SLI / DUAL POWER) on 2026-11-04.
• Banner Energy Bull 959 01: Could not be read (404) on 2026-09-16 and again on 2026-11-04: https://www.bannerbatterien.com/de/Produkte/Starterbatterien/Energy-Bull/229-959-01 and the /en/ equivalents. The EN Energy Bull listing omits 959 01.
• Banner Energy Bull 959 01: The checker spec's 90/115/135 (5h/20h/100h) figures are confirmed by the Banner German brochure row "959 01 4K LOT7 90 115 135".
• Banner Energy Bull 968 01: Banner publishes a cycle count ("up to 270") at 50% discharge depth with no end-of-life criterion; the UK brochure says "typically 300-400 cycles" with no DoD. Which test the 270 figure rests on is not stated.
• Banner Energy Bull 968 01: The German Energy Bull brochure (file=455) is undated (Banner's EN product pages link the English edition of the same brochure as "Folder Energy Bull", file=453, with the same table); Banner's EN starter-battery listing carries only 955 01, 956 01, 957 51, 960 51, 963 51 and 968 01 (Energy Bull SLI / DUAL POWER) on 2026-11-04.
• Banner Energy Bull 968 01: The checker spec's 180/230/250 (5h/20h/100h) figures are confirmed by the Banner technical data sheet.
• Exide Equipment GEL ES1200: The checker spec expected a C100 figure ("Exide publishes Ah at C20 and often C100"); none of the Exide documents read on 2026-09-16 or 2026-11-04 (including the 2026-09 Marine & Leisure brochure) carries a C100 column, only Ah (20h) and Wh.
• Exide Equipment GEL ES1200: Charging advice comes from an undated Exide Technologies Nordic datasheet on a distributor server (akkupoint.ch); no charging voltages were found on exidegroup.com (product page, range page, 2021 leaflet, 2026-09 brochure) on 2026-11-04. Re-source.
• Exide Equipment GEL ES1200: Exide pages and PDFs return HTTP 403 (a bot challenge) to curl but load in a normal browser; read in the Browser pane on 2026-09-16 and 2026-11-04.
• Exide Equipment GEL ES1200: Dimensions and weight differ between the 2021 leaflet, the Nordic datasheet, the NCC list and the current product page (see physical source note).
• Exide Equipment GEL ES1300: The checker spec expected a C100 figure ("Exide publishes Ah at C20 and often C100"); none of the Exide documents read on 2026-09-16 or 2026-11-04 (including the 2026-09 Marine & Leisure brochure) carries a C100 column, only Ah (20h) and Wh.
• Exide Equipment GEL ES1300: Charging advice comes from an undated Exide Technologies Nordic datasheet on a distributor server (akkupoint.ch); no charging voltages were found on exidegroup.com (product page, range page, 2021 leaflet, 2026-09 brochure) on 2026-11-04. Re-source.
• Exide Equipment GEL ES1300: Exide pages and PDFs return HTTP 403 (a bot challenge) to curl but load in a normal browser; read in the Browser pane on 2026-09-16 and 2026-11-04.
• Exide Equipment GEL ES1300: Dimensions and weight differ between the 2021 leaflet, the Nordic datasheet, the NCC list and the current product page (see physical source note).
• Fogstar Drift 12V 105Ah Lithium Leisure Battery: Two Fogstar specification sheets are live: the product-page sheet (NEW_105Ah_Spec_Sept25) and the Knowledge Hub sheet, whose quick-spec strip says "100Ah" for the 105Ah battery and whose generic charging line says "Up to 150A" before a per-model list giving 100A for the 105Ah. The Sept25 sheet is used here.
• Fogstar Drift 12V 105Ah Lithium Leisure Battery: Series/parallel limits disagree: the Sept25 sheet says "four (4) in series OR four (4) in parallel"; the product page gives up to four in series (48V maximum) or up to sixteen in parallel, and elsewhere up to 4 in series or parallel; the 2026 manual says "Maximum: 16 batteries in parallel" and "Maximum 4 batteries in series". max_in_parallel records the 16 of the manual and the product page (re-read 2026-11-04).
• Fogstar Drift 12V 105Ah Lithium Leisure Battery: Cycle life 3500 @ 80% DOD carries no end-of-life capacity criterion.
• Fogstar Drift 12V 105Ah Lithium Leisure Battery: Charge temperature minimum −10 °C applies with the heater enabled; the 2026 manual says "Charging is disabled when internal battery temperature drops to 0°C (Low Temperature Cut-Off)" and resumes when the battery reaches 5 °C. Recorded as low_temp_charge_cutoff_c 0.
• Fogstar Drift 12V 105Ah Lithium Leisure Battery: Discharge cut-off differs between Fogstar documents: Sept25 sheet "Discharge Cut Off Voltage 10V" (recorded as end_of_discharge_v) vs 2026 manual "automatically activates over-discharge protection at 11.6V". Checked 2026-11-04.
• Fogstar Drift 12V 105Ah Lithium Leisure Battery: Charge temperature maximum differs: Sept25 sheet "Charge Temperature Range -10C to 60C (Heater Enabled)" (recorded as charge_temp_max_c 60) vs 2026 manual BMS line "High Temperature Charging (OTC) Condition: Charging initiated while internal temperature > 55°C Action: Charging is disabled." Checked 2026-11-04.
• Lucas LX31MF Leisure Battery 105Ah: Lucas states 105 AH with no rate; Tayna's listing says "105Ah (C20)" but that is retailer copy. NCC Oct 2023 lists LX31 at 105 Ah (rate unstated) and 220 cycles at 50% DoD.
• Lucas LX31MF Leisure Battery 105Ah: Could not be read (404) on 2026-09-16 and 2026-11-04: http://www.lucaselectrical.co.uk/downloads/lucas-batteries.pdf. No Lucas/Ecobat manufacturer page for LX31MF was found.
• Lucas LX31MF Leisure Battery 105Ah: Height disagreement: Lucas sheet 242 mm; NCC list 240 mm.
• Numax LV26MF Sealed Leisure Battery: Capacity disagreement: catalogue "Ah. Cap. @20hr rate" 100 and NCC Oct 2023 list 100 Ah, but Tayna (the brand's retailer) sells the LV26MF as 95 Ah and 302 x 172 x 225 mm (catalogue height 255 mm; NCC list 302 x 172 x 220).
• Numax LV26MF Sealed Leisure Battery: The Numax catalogue is undated and hosted by Tayna; no Numax or Ecobat Battery UK domain publishing it was found. numaxbatteries.co.uk did not surface in searches on 2026-09-16.
• Numax XV31MF Sealed Leisure Battery: Capacity disagreement: catalogue "Ah. Cap. @20hr rate" 110, but Tayna sells the XV31MF as 105 Ah (CXV31MF). XV31MF is not on any NCC list read, including the register dashboard on 2026-11-04 (Numax XDT30MF, XDC25AGM, DC24MF, LV22/26/30MF are).
• Numax XV31MF Sealed Leisure Battery: The Numax catalogue is undated and hosted by Tayna; no Numax or Ecobat Battery UK domain publishing it was found. numaxbatteries.co.uk did not surface in searches on 2026-09-16.
• Platinum LB6110L Leisure Battery 12V 100Ah: The Platinum guide's 70 cycles @50% DOD carries no end-of-life criterion and equals the NCC Class C minimum.
• Platinum LB6110L Leisure Battery 12V 100Ah: Dimension disagreement: guide 351 x 174 x 188; NCC Oct 2023 list 358 x 175 x 190; Alpha 345 x 175 x 190.
• Platinum LB6110L Leisure Battery 12V 100Ah: Could not be read on 2026-09-16 or 2026-11-04: the Issuu copy of the Platinum Leisure Product Guide linked from allianceautomotive.co.uk (script-rendered flipbook with no text layer; Issuu shows "Published on Jun 15, 2022"). platinuminternational.com/leisure-agm-batteries redirects (301) to allianceautomotive.co.uk/our-brands/platinum-batteries/.
• Platinum LB6110L Leisure Battery 12V 100Ah: Not on the NCC register dashboard read 2026-11-04 (Classes A, B and C); the October 2023 Class C list carried it as NCC/VB/C/020 (100 Ah, 70 cycles at 50% DoD), and the guide itself gives "NCC CLASS C". The register now carries a "Platinum Hella GLBLB6110L" (NCC/VB/C/059); whether it is the same battery is not stated by the NCC or Platinum.
• Renogy Core Mini 12.8V 100Ah Lithium Iron Phosphate Battery: The checker spec names a "12V 100Ah Core Series" battery; on 2026-09-16 uk.renogy.com lists only the Core Mini 12.8V 100Ah (RBT12100LFP-M-UK, this record), the DuoHeat Tech Core Mini (RBT12100LFP-H-UK) and a Core 12V 100Ah trolling-motor variant. The full-size Core Series RBT12100LFP is sold on renogy.com (US) only.
• Renogy Core Mini 12.8V 100Ah Lithium Iron Phosphate Battery: Marketing copy on the same page says "Over 4000 cycles" in one paragraph and "5000 cycles at 80% discharge" in another; the Specs table figure is recorded.
• Renogy Core Mini 12.8V 100Ah Lithium Iron Phosphate Battery: Series/parallel: product page Specs "Series & Parallel (4S4P)", comparison table "Series (4S) Parallel (8P) Series & Parallel (4S4P)", FAQ "up to 16 batteries in series and parallel"; manual connection drawing "8P (Max)" and Key Features "up to 16 batteries in 4 series and 4 parallels". max_in_parallel records 8 (parallel-only). Checked 2026-11-04.
• Renogy Core Mini 12.8V 100Ah Lithium Iron Phosphate Battery: Discharge temperature maximum differs: product page "-4°F to 140°F (-20°C to 60°C)" (recorded) vs manual A0 Specifications "-4°F to 131°F (-20°C to 55°C)"; the manual's Discharging Logic prints "131°F (60°C)" and its warning says "discharge the battery at high temperatures above 140°F (60°C)". Checked 2026-11-04.
• Renogy Core Mini 12.8V 100Ah Lithium Iron Phosphate Battery: Charge temperature maximum: product page and manual Specifications "32°F to 122°F (0°C to 50°C)" (recorded) and BMS "Charge High Temperature Protection Trigger ... ≥ 122°F (50°C)", but the manual's Charging Logic says "between 32°F and 131°F (0°C and 55°C) for safe charging". Checked 2026-11-04.
• Roamer 105SMART5 MAX 12.8V 105Ah LiFePO4: The checker spec asked for a "SMART5 100Ah"; Roamer's SMART5 collection on 2026-09-16 starts at the 105SMART5 MAX (105 Ah), so that model is recorded.
• Roamer 105SMART5 MAX 12.8V 105Ah LiFePO4: Charge current figures conflict within Roamer's own documents: datasheet "BMS Charge Current Limit IC Min 5 Max 105 A" vs "Recommended Max Charge Rate RC Max 210 A", "Charge Current >25°C Max 110 A" and BMS Parameters "Pack Overcharge Detection Current IBOD Typical 100 A"; product page "charge at 2.2C (230A)"; datasheet description "the BMS is able to charge and discharge at 300A". max_charge_current_a records the BMS limit (105 A). Checked 2026-11-04.
• Roamer 105SMART5 MAX 12.8V 105Ah LiFePO4: Terminal size conflicts: specification table "M8 Female" vs general description "female M10x1.25 terminals".
• Roamer 105SMART5 MAX 12.8V 105Ah LiFePO4: Cycle life 8000 at 80% DoD carries no end-of-life criterion.
• Roamer 105SMART5 MAX 12.8V 105Ah LiFePO4: The Roamer support article on SMART5 charge voltages (support.roamer.com/en/articles/1649794) showed only 24 V settings in the fetched text.
• Roamer 105SMART5 MAX 12.8V 105Ah LiFePO4: Series connection conflicts: datasheet "Series Limit NS MAX NOT ALLOWED" and "NOTE this battery model cannot be connected in series. Doing so could permanently damage the BMS." vs product page "Up to 16 in parallel (4 series)". Checked 2026-11-04.
• Roamer 105SMART5 MAX 12.8V 105Ah LiFePO4: Ingress rating conflicts: datasheet "IP Rating IP54" vs product page "an IP65 waterproof case". Checked 2026-11-04.
• Trojan 27TMX 12V Deep-Cycle Flooded Battery: Cycle life vs depth of discharge is published by Trojan only as a curve (in its general literature); the 27TMX data sheet itself carries no cycle figure.
• Trojan 27TMX 12V Deep-Cycle Flooded Battery: The trojanbattery.com/pdf/datasheets/27TMX_Trojan_Data_Sheets.pdf URL redirects to the homepage; the live copy is on Trojan's Contentful CDN (assets.ctfassets.net), linked from the Signature Line datasheets page.
• Trojan 27TMX 12V Deep-Cycle Flooded Battery: The T-1275 data sheet was also read (5/10/20/100-Hr: 120/134/150/166 Ah, same charger settings) but not recorded because 27TMX is available.
• Victron AGM Deep Cycle Battery 12V 110Ah: The checker spec expected C20, C10 and C5 columns; the datasheet re-read on 2026-11-04 (PDF created 2025-12-09) prints a single Ah column ("Rated capacity: 20 hr. discharge") plus CCA and RES CAP columns, and gives shorter-time capacity only as percentages in Table 1. Whether an older edition carried separate Ah columns is unconfirmed.
• Victron AGM Deep Cycle Battery 12V 110Ah: Cycle design life rows (80/50/30% discharge) carry no end-of-life criterion; recorded with the criterion marked as not stated.
• Victron AGM Deep Cycle Battery 12V 110Ah: Storage voltage is published as a range (13,2 - 13,5 V); the schema has no storage range field, so storage_v is left null and the range sits in the charge source quote.
• Victron Gel Deep Cycle Battery 12V 110Ah: The checker spec expected C20, C10 and C5 columns; the datasheet re-read on 2026-11-04 (PDF created 2025-12-09) prints a single Ah column ("Rated capacity: 20 hr. discharge") plus CCA and RES CAP columns, and gives shorter-time capacity only as percentages in Table 1. Whether an older edition carried separate Ah columns is unconfirmed. The product page's embedded product data (not displayed on the page) lists "Capacity C10 (10,8V) 92 %" and "Capacity C5 (10,8V) 85 %" for the 110Ah Gel, where datasheet Table 1 gives 87 % (10 hours) and 80 % (5 hours) for Gel; the datasheet figures are the ones quoted.
• Victron Gel Deep Cycle Battery 12V 110Ah: Cycle design life rows (80/50/30% discharge) carry no end-of-life criterion; recorded with the criterion marked as not stated.
• Victron Gel Deep Cycle Battery 12V 110Ah: Storage voltage is published as a range (13,2 - 13,5 V); the schema has no storage range field, so storage_v is left null and the range sits in the charge source quote.
• Victron Lithium Battery Smart 12,8V/100Ah: Charge profile (CC/CV) is not named on the datasheet; a charge-voltage window and a float voltage are given.
• Victron Lithium Battery Smart 12,8V/100Ah: Rate basis differs between Victron documents: the datasheet footnote reads "Discharge current ≤1C" while the Lithium Smart Battery Manual rev 21 (5.3) says "The nominal capacity data of the respective battery model in the datasheet is based on 25°C at a discharge rate of 1C". The rate is left unstated until one wording is consistent.
• Victron Lithium Battery Smart 12,8V/100Ah: Warranty: the product page shows a "3 Year warranty" badge (numeral drawn as an icon, read 2026-11-04) and its footer refers to a "5-year standard warranty"; the datasheet states no term. Warranty is left as a gap.
• Yuasa L36-AGM YBX Active Leisure AGM 12V 95Ah: Yuasa publishes "400 cycles" for L36-AGM with no depth of discharge or test standard. The NCC Oct 2023 list gives 429 cycles at 50% DoD. The cycle count is recorded as a gap.
• Yuasa L36-AGM YBX Active Leisure AGM 12V 95Ah: The yuasa.co.uk URLs redirect to yuasa.com/uk; the product page content is script-rendered and was read in the Browser pane. The Yuasa "YBX Active Leisure & Marine Battery Range" brochure PDF (media/akeneo_connector/asset_files/A/c/Active_Leisure___Marine_Battery_Range_fb50.pdf) exceeded the fetch size limit and was not read; it may state the cycle test basis.
• Yuasa L36-AGM YBX Active Leisure AGM 12V 95Ah: The NCC lists carry both "L36-AGM (new spec)" (NCC/VB/A/017) and "GS-L36-AGM" (NCC/VB/A/077), both 95 Ah / 429 cycles.
• Yuasa L36-AGM YBX Active Leisure AGM 12V 95Ah: Could not be re-read (403, Cloudflare "Verify you are human" challenge in the browser pane) on 2026-11-04: https://www.yuasa.com/uk/l36-agm
• Yuasa L36-AGM YBX Active Leisure AGM 12V 95Ah: Could not be re-read (403) on 2026-11-04: https://www.yuasa.com/uk/datasheet/index/download/?sku=YBXL36L-AGM
• Yuasa L36-EFB YBX Active Leisure EFB 12V 100Ah: Yuasa publishes "Cycles 200" (Specification table) and "225 cycles" (Description) for L36-EFB on the same page, neither with a depth of discharge or test standard. The NCC Oct 2023 list gives 223 cycles at 50% DoD. The cycle count is recorded as a gap.
• Yuasa L36-EFB YBX Active Leisure EFB 12V 100Ah: The yuasa.co.uk URLs redirect to yuasa.com/uk; the product page content is script-rendered and was read in the Browser pane. The Yuasa "YBX Active Leisure & Marine Battery Range" brochure PDF (media/akeneo_connector/asset_files/A/c/Active_Leisure___Marine_Battery_Range_fb50.pdf) exceeded the fetch size limit and was not read; it may state the cycle test basis.
• Yuasa L36-EFB YBX Active Leisure EFB 12V 100Ah: Could not be re-read (403, Cloudflare "Verify you are human" challenge in the browser pane) on 2026-11-04: https://www.yuasa.com/uk/l36-efb
• Yuasa L36-EFB YBX Active Leisure EFB 12V 100Ah: Could not be re-read (403) on 2026-11-04: https://www.yuasa.com/uk/datasheet/index/download/?sku=YBXL36L-EFB
• Dometic CoolMatic CRX 50 compressor fridge: Catalogue page could not be re-sourced on dometic.com on 2026-11-04: dometic.com en-gb and en-us product search for 'CRX', 'CRX 50' and '9105306565' returns only CRX installation frames, no CRX refrigerator page (on 2026-09-16 the product URLs returned 404 or redirected to a category listing). The catalogue page carries no printed year; edition is recorded as section 4.24 / page 118 only.
• Dometic CoolMatic CRX 50 compressor fridge: A search-result claim of 1.4 Ah/h at +25 °C for the CRX 50 was not found in any Dometic document read on 2026-09-16 or 2026-11-04 (catalogue page 118, manuals 4445102664 and 4445102565, CRX50/CRX60 manual 4445104712). The catalogue states 1.1 Ah/h.
• Dometic CoolMatic CRX 65 compressor fridge: Catalogue page could not be re-sourced on dometic.com on 2026-11-04: dometic.com en-gb and en-us product search for 'CRX', 'CRX 50' and '9105306565' returns only CRX installation frames, no CRX refrigerator page (on 2026-09-16 the product URLs returned 404 or redirected to a category listing). The catalogue page carries no printed year; edition is recorded as section 4.24 / page 118 only.
• Dometic CoolMatic CRX 80 compressor fridge: Catalogue page could not be re-sourced on dometic.com on 2026-11-04: dometic.com en-gb and en-us product search for 'CRX', 'CRX 50' and '9105306565' returns only CRX installation frames, no CRX refrigerator page (on 2026-09-16 the product URLs returned 404 or redirected to a category listing). The catalogue page carries no printed year; edition is recorded as section 4.24 / page 120 only.
• Shurflo Trail King 7 caravan water pump, 7 l/min 20 psi, 12 V: Distributor page shurflo.eu states 'Max Amps 4,5' for 2095-204-112; not found in any Pentair/SHURflo document on 2026-09-16 or 2026-11-04. A Pentair product sheet for 2095-204-112 was not found on pentair.com on 2026-11-04 (pds-2095-204-112.pdf, -X12 and -412 under /shurflo/data-sheets/ return 404).
• Thetford T1090-E 12V compressor refrigerator: Thetford's compressor-refrigerators page (https://www.thetford.com/en/compressor-refrigerators/) links the 2027-range overview (072026), which replaces the 2026-range sheet (072025) this record used until 2026-11-04; the old sheet is still served at https://www.thetford.com/app/uploads/2025/10/7.1_Thetford_12V-Refrigerators_2026_EN_LR.pdf. The part number is unchanged (693483SP); Thetford does not say whether the changed Ah/24h figure reflects revised hardware or a re-test.
• Thetford T2095-E 12V compressor refrigerator: Thetford's compressor-refrigerators page (https://www.thetford.com/en/compressor-refrigerators/) links the 2027-range overview (072026), which replaces the 2026-range sheet (072025) this record used until 2026-11-04; the old sheet is still served at https://www.thetford.com/app/uploads/2025/10/7.1_Thetford_12V-Refrigerators_2026_EN_LR.pdf. The overview gives part number 692961SP (2026 sheet: 693461SP); Thetford does not say whether the changed Ah/24h figure reflects revised hardware or a re-test.
• Thetford T2095-E 12V compressor refrigerator: The 2027 overview prints 26.6 Ah/24h for both the T1090-E and the T2095-E, while their kWh/24h differ (0.34 and 0.36) and the 2026-range sheet gave the T2095-E 30.0 Ah/24h at 0.36 kWh/24h. No other Thetford document read on 2026-11-04 settles which is right; the current overview's 26.6 is used and the 2026 sheet is kept as a second source.
• Thetford T2120-C 12V compressor refrigerator: Thetford's compressor-refrigerators page (https://www.thetford.com/en/compressor-refrigerators/) links the 2027-range overview (072026), which replaces the 2026-range sheet (072025) this record used until 2026-11-04; the old sheet is still served at https://www.thetford.com/app/uploads/2025/10/7.1_Thetford_12V-Refrigerators_2026_EN_LR.pdf. The overview gives part number 693092SP (2026 sheet: 693466SP); Thetford does not say whether the changed Ah/24h figure reflects revised hardware or a re-test.
• Thetford T2138-C 12V compressor refrigerator: Thetford's compressor-refrigerators page (https://www.thetford.com/en/compressor-refrigerators/) links the 2027-range overview (072026), which replaces the 2026-range sheet (072025) this record used until 2026-11-04; the old sheet is still served at https://www.thetford.com/app/uploads/2025/10/7.1_Thetford_12V-Refrigerators_2026_EN_LR.pdf. The overview gives part number 692935SP (2026 sheet: 693468SP); Thetford does not say whether the changed Ah/24h figure reflects revised hardware or a re-test.
• Thetford T2152-C 12V compressor refrigerator: Thetford's compressor-refrigerators page (https://www.thetford.com/en/compressor-refrigerators/) links the 2027-range overview (072026), which replaces the 2026-range sheet (072025) this record used until 2026-11-04; the old sheet is still served at https://www.thetford.com/app/uploads/2025/10/7.1_Thetford_12V-Refrigerators_2026_EN_LR.pdf. The overview gives part number 692937SP (2026 sheet: 693471SP); Thetford does not say whether the changed Ah/24h figure reflects revised hardware or a re-test.
• Thetford T2160-C 12V compressor refrigerator: Thetford's compressor-refrigerators page (https://www.thetford.com/en/compressor-refrigerators/) links the 2027-range overview (072026), which replaces the 2026-range sheet (072025) this record used until 2026-11-04; the old sheet is still served at https://www.thetford.com/app/uploads/2025/10/7.1_Thetford_12V-Refrigerators_2026_EN_LR.pdf. The overview gives part number 692943SP (2026 sheet: 693476SP); Thetford does not say whether the changed Ah/24h figure reflects revised hardware or a re-test.
• Thetford T2175-C 12V compressor refrigerator: Thetford's compressor-refrigerators page (https://www.thetford.com/en/compressor-refrigerators/) links the 2027-range overview (072026), which replaces the 2026-range sheet (072025) this record used until 2026-11-04; the old sheet is still served at https://www.thetford.com/app/uploads/2025/10/7.1_Thetford_12V-Refrigerators_2026_EN_LR.pdf. The overview gives part number 692946SP (2026 sheet: 693479SP); Thetford does not say whether the changed Ah/24h figure reflects revised hardware or a re-test.
• Truma Combi 4 gas combination heater (12 V control side): Truma's Combi 4 Technical Details table, read 2026-11-04, shows an empty 'Quiescent current' row and prints 'approx. 1 mA' against 'Water capacity' (and '30 mbar' against 'Rated heat output in gas mode' with 'Operating pressure' empty). The 2026-09-16 record quoted 'Quiescent current approx. 1 mA'. Whether the page changed or the earlier read joined adjacent cells is not known; the Combi D 6 E page pairs 'Quiescent current' with 'approx. 1 mA'. Re-check the page or a Truma Combi 4 manual.
• Victron Phoenix Inverter 12/1200 VE.Direct: The 1200VA-1600VA datasheet URL in the checker spec returns 404; figures are taken from the combined 250VA–1600VA datasheet.
• Victron Phoenix Inverter 12/1200 VE.Direct: Victron's Inverter VE.Direct page (https://www.victronenergy.com/inverters/phoenix-inverter-vedirect-250va-800va) also links 'Inverters VE-Direct – new models 250W – 1600W 230V' (https://www.victronenergy.com/upload/documents/Datasheet-Inverter-VE.Direct-250W-1600W-230V-EN.pdf, PDF dated 2026-03-19), whose 12/1200 column: 'Cont. power at 25°C 1150W', 'Cont. power at 40°C 1000W', 'Max. efficiency 91 / 91 / 92%', 'Zero-load power 10 / 11 / 12 W', 'Default zero-load power in ECO mode 1/2/3W' differ from the VA-rated datasheet this record uses. The new models carry article numbers PINxx...X10 and the sheet says 'Please consult our price list for availability'. This record stays on the VA-rated datasheet, which the same page still links; which model a reader buys decides which figures apply.
• Victron Phoenix Inverter 12/500 VE.Direct: The checker spec URL Datasheet-Phoenix-Inverter-VE.Direct-250VA-800VA-EN.pdf now serves the combined 250VA–1600VA datasheet; the 1200VA-1600VA URL returns 404. Both models are taken from the combined sheet.
• Victron Phoenix Inverter 12/500 VE.Direct: Victron's Inverter VE.Direct page (https://www.victronenergy.com/inverters/phoenix-inverter-vedirect-250va-800va) also links 'Inverters VE-Direct – new models 250W – 1600W 230V' (https://www.victronenergy.com/upload/documents/Datasheet-Inverter-VE.Direct-250W-1600W-230V-EN.pdf, PDF dated 2026-03-19), whose 12/500 column: 'Cont. power at 25°C 450W', 'Cont. power at 40°C 380W', 'Max. efficiency 86 / 88 / 88 %', 'Zero-load power 7 / 8 / 10 W', 'Default zero-load power in ECO mode 1/1/2W' differ from the VA-rated datasheet this record uses. The new models carry article numbers PINxx...X10 and the sheet says 'Please consult our price list for availability'. This record stays on the VA-rated datasheet, which the same page still links; which model a reader buys decides which figures apply.
• Vitrifrigo C51i CHR compressor fridge-freezer (daily figure in Wh only): Vitrifrigo's news page 'Secop BD Nano Compressor Powers Vitrifrigo RV Refrigerator in Efficiency Test' (vitrifrigo.com/en_us/news/...) states for the C51i HP variant that 'Test results showed the system consumed 78 Wh over 24 hours' at 'approximately 40 °C' ambient. It is a case-study result for a different variant with no test standard named, so it is not recorded as a figure.
• Vitrifrigo C51i CHR compressor fridge-freezer (daily figure in Wh only): Vitrifrigo's C51i CHR Grey product page states 'Consumption (Wh/24h) 229' (read 2026-11-04; the 2026-09-16 read found no consumption figure), while the C51i_CHR datasheet still prints 'N.A.'. The appliance schema has no Wh/24h field and the checker takes Ah or A at 12 V; converting needs a voltage the page does not state. Lead to decide whether to add a Wh/24h field.
• Webasto Air Top 2000 STC diesel air heater (12 V): Webasto's 07/24 product datasheet gives 15 – 30 W, its 08/24 RV-market datasheet gave 13 – 30 W, and the Webasto US installation manual P/N 5012634C (Rev. 11/2021, 16. Technical Data) gives 'Rated power consumption 14 - 29 W' for the Air Top 2000 STC. Which is current is unresolved; the product datasheet is used.
• Webasto Air Top 2000 STC diesel air heater (12 V): Could not be re-read (404) on 2026-11-04: https://www.webasto.com/content/dam/global-brand/business-fields/heating/air-heater/documents/240813_Datasheet_AirTopSerie_RecreationalVehicles_EN.pdf.coredownload.inline.pdf
• Webasto Air Top 2000 STC diesel air heater (12 V): The Air Top 2000 STC product page now links https://www.webasto.com/content/dam/global-brand/business-fields/heating/air-heater/documents/261026_Datasheet_Air_Heaters_RV_EN.pdf.coredownload.inline.pdf ('Air Heaters for the RV Market', 10/26) in place of the 08/24 RV datasheet; it covers the Air Top Pro 25 and Air Top Evo 40 / 55 only and gives no Air Top 2000 STC figure.
• Webasto Air Top 2000 STC diesel air heater (12 V): Re-source the 75 W start-up statement (P/N 5012634) on webasto.us or techwebasto.com; on 2026-09-16 and 2026-11-04 it was read only on a retailer's Shopify copy (not searched for further on 2026-11-04). The checker spec's eima.it and btrac.com copies were not used because the webasto.com datasheet was readable.
• Whale Watermaster exterior water pump EP1612, 12 V: The checker spec named EP1652 with figures 3.6 / 3.3 / 2.9 A; those figures belong to the GP1352 Premium submersible pump in Whale's catalogue (page 12), recorded separately. EP1652 is not in the current Whale RV Catalogue.
• CTEK CS ONE (Gen 2): The multilingual manual's English technical specification is the 120 VAC / CTEK POWER INC edition (Input 120 VAC, 60 Hz); the UK product sheet gives 220–240 VAC input. Output, battery types and IP65 match across both.
• CTEK LITHIUM XS: Manual also states 'Never charge a battery with temperature below 0°C if not specified by the battery manufacturer.' (Safety) — no low-temperature cut-off is described as a charger function.
• CTEK MXS 10: Could not be re-read (404) on 2026-11-04: https://ctek.com/cdn/shop/files/MXS_10-manual-low-UK-EN.pdf (the one-page safety file, edition 20014898C, read 2026-09-16). The UK product page no longer links any MXS 10 manual and no replacement manual was found on ctek.com; a product sheet (MXS_10-productsheet-low-UK-EN.pdf, © 2024) carries the same unlabelled 14.4/14.7/15.8/13.6 V string. Per-program absorption/float voltages remain unsourced.
• CTEK MXS 10: The product page's charging-voltage string '14.4/14.7/15.8/13.6 V' is unlabelled; per-program assignment (Normal/AGM/Recond/Supply) needs the full manual.
• CTEK MXS 5.0: Could not be re-read (404) on 2026-11-04: https://ctek.com/cdn/shop/files/MXS_5.0-manual-low-UK-EN.pdf — the FLOAT 13.6V figure and the per-program 'Use for ...' wording rest on that edition (read 2026-09-16). The current edition 50031744A (© 2025) prints no float voltage and refers to a QR code for the charging curve.
• Halfords Smart Battery Charger 6A: Could not be read (page shows Halfords' not-found message; HTTP 200) on 2026-11-04 in the browser: https://www.halfords.com/motoring/battery-maintenance/battery-chargers/halfords-smart-battery-charger-6a-496238.html (the official_url; the buying guide still links to it).
• Halfords Smart Battery Charger 6A: Could not be read (page shows Halfords' not-found message) on 2026-11-04 in the browser: https://www.halfords.com/motoring/battery-maintenance/battery-chargers-1/halfords-advanced-smart-battery-charger-446040.html
• Halfords Smart Battery Charger 6A: Read on 2026-11-04 in the browser: https://www.halfords.com/motoring/battery-maintenance/battery-chargers/halfords-advanced-6a-smart-charger-190971.html names 'Halfords Advanced 6A Smart Charger' (SKU 190971) with '7-stage charging cycle for lithium batteries/9-stage cycle for lead acid/AGM batteries', 'Charge Rate 12V slow - 3A 12V slow winter - 3A 12V fast - 6A 12V fast winter - 6A 12V LFP - 6A 6V - 3A' and 'Suitable For Lead-acid and LiFePO4 batteries'. Halfords does not state that it is the 'Smart Battery Charger (6A)' the guide names, so no figure from that page is used in this record.
• Halfords Smart Battery Charger 6A: On 2026-11-04 https://www.halfords.ie/tools/garage-equipment/battery-chargers/446040.html redirects to a halfords.ie product URL that shows Halfords' not-found message.
• Halfords Smart Battery Charger 6A: No Halfords-hosted instruction manual was found; third-party manual mirrors were not used. Still open on 2026-11-04: confirm whether 'Halfords Smart Battery Charger (6A)' (496238) and 'Halfords Advanced 6A Smart Charger' (190971) are the same product and which carries the 446040 code.
• NOCO Genius10 UK: no.co publishes only the North-American user guide on its GENIUS10 support page; a UK-edition guide for GENIUS10UK was not found on no.co on 2026-11-04 (no.co/support/genius10 lists the same NA guide).
• NOCO Genius10 UK: 12V REPAIR mode: 'THIS MODE IS FOR 12-VOLT LEAD-ACID BATTERIES ONLY', 'up to 16.5V'.
• NOCO Genius5 UK: no.co publishes only the North-American user guide (100-240 VAC input) on its GENIUS5 support page; a UK-edition guide for GENIUS5UK was not found on no.co on 2026-11-04 (no.co/support/genius5 lists the same NA guide; third-party manual sites were not used).
• NOCO Genius5 UK: The guide's 12V REPAIR mode is described as 'FOR 12-VOLT LEAD-ACID BATTERIES ONLY' with voltage 'up to 16.5V'.
• OptiMate 6 Ampmatic: tecmate.com/products/optimate-6-ampmatic/ returned 404 again on 2026-11-04; the English product page read is on optimate1.com (TecMate's OptiMate brand site). The instructions carry edition code TM18x-IN1-170208 and 'copyright @ 2017 TecMate International'; no month is printed.
• OptiMate Lithium 4s 5A: The instructions chart shows 14.4V; the 2013/2015 leaflet describes absorption 'between 14.0 and 14.3V'. Both are TecMate documents; the instructions (TM29x-IN1-170306) are the later edition.
• OptiMate Lithium 4s 5A: tecmate.com/products/optimate-lithium-4s-5a/ returned 404 again on 2026-11-04; the English product page and manual were read on optimate1.com (TecMate International).
• Ring SmartChargePro 25 (RSCPR25): Ring's smart-chargers shop page (re-read 2026-11-04) lists SMARTCHARGE PRO 20A/30A/50A/100A battery support units and a SMARTCHARGE PRO 60A charger, marks four chargers 'Lithium Compatible' (SMARTCHARGE 1, 4, 6 and 8; five on 2026-09-16) and does not list the RSCPR25. Consider a record for a current Ring model with a published lithium setting.
• Ring SmartChargePro 25 (RSCPR25): Could not be read (404; redirects to feature404.aspx) on 2026-11-04: https://www.ringautomotive.com/en/product/RSCPR25 — the instructions PDF on ringautomotive.com remains the only maker document read.
• Sargent EC155 on-board charger / power supply: Issue 2 and CAT017 disagree on current, power and battery capacity. The hardware revision boundary is unknown; see the companion evidence card.
• Sterling Power Pro Charge Ultra PCU1220 (12V 20A): Manual also states 'It is imperative to not charge lithium batteries at 0DegC or lower.' and describes an LtP (low-temperature protection) setting for the lithium profile.
• Sterling Power Pro Charge Ultra PCU1220 (12V 20A): Tayna reports the PCU1220 'No Longer Available' from the manufacturer while sterling-power.com still lists it at £348.38 on 2026-09-16.
• Victron Blue Smart IP22 Charger 12/20 (1): Datasheet gives Li-ion float 13,5 V; the HTML manual table gives Li-ion float 'N/A' and storage 13.5V (both unchanged on 2026-11-04).
• Victron Blue Smart IP65 Charger 12/15: Datasheet gives Li-ion float 13,5 V; the HTML manual technical-specifications table gives Li-ion float 'N/A' and storage 13.5V. Record which the current firmware applies.
• Victron Blue Smart IP65 Charger 12/15: The direct PDF URLs Manual-Blue-Smart-IP65-Charger-EN.pdf and Datasheet-Blue-Smart-IP65-Charger-EN.pdf returned 404 on 2026-09-16 and again on 2026-11-04; the HTML manual and the IP65_A4_2022 datasheet were used instead.
• Victron Blue Smart IP67 Charger 12/25 (1): Stage count: on 2026-11-04 the re-issued datasheet's feature text reads 'Adaptive 6-stage charge algorithm: bulk – absorption – recondition – float – storage – repeated absorption' but its specification row still reads '5-stage adaptive'; the HTML manual says '6-stage adaptive (3 stage for Li-ion)'. The record carries 6; the specification row is not yet reconciled by Victron.
• Victron Blue Smart IP67 Charger 12/25 (1): Datasheet gives Li-ion float 13,5 V; the HTML manual table gives Li-ion float 'N/A' and storage 13.5V (both unchanged on 2026-11-04).
• Victron Skylla-IP44 12/60 (1+1): Could not be read (404) on 2026-11-04 (also 2026-09-16): https://www.victronenergy.com/chargers/skylla-ip44 — datasheet and manual PDFs were used instead.
• Victron Skylla-IP44 12/60 (1+1): Li-Ion stage count: datasheet '3 stage, with on-off control or CAN bus control' vs manual 'Four stage charge curve for Lithium Iron Phosphate (LiFePo4) batteries'.
• CTEK D250SE dual input 20A DC-DC charger with MPPT: CTEK's UK business page https://ctek.com/business-uk/battery-chargers-12v-24v/d250se returned 404 on 2026-09-16 and again on 2026-11-04; the global product page ctek.com/products/d250se (which links both UK-EN PDFs) and the UK-EN PDFs were used.
• REDARC BCDC1225D dual input 25A in-vehicle DC-DC battery charger: No GBP price seen: redarcelectronics.com/uk and redarc-electronics.co.uk did not resolve on 2026-09-16; https://redarcelectronics.com/uk redirected to https://www.redarcelectronics.com/eu/uk and returned 404 on 2026-11-04. The EU page shows a EUR price only. price_band_gbp omitted.
• REDARC BCDC1225D dual input 25A in-vehicle DC-DC battery charger: Manual edition/date not stated on the pages read (re-checked 2026-11-04).
• Ring Automotive RSCDC30 DC-DC Smart Battery Charger 30A: Could not be read (image-only PDF, no text layer; re-fetched 2026-11-04, still no text) on 2026-09-16 and 2026-11-04: https://www.ringautomotive.com/files/mydocs/rscdc30%20instructions.pdf - the instruction manual may carry lithium, ignition and cable/fuse statements.
• Ring Automotive RSCDC30 DC-DC Smart Battery Charger 30A: Could not be read (404) on 2026-09-16 and 2026-11-04 (redirects to https://www.ringautomotive.com/feature404.aspx?err=404): https://www.ringautomotive.com/en/product/rscdc30 and https://www.ringautomotive.com/en/product/RSCDC30.
• Ring Automotive RSCDC30 DC-DC Smart Battery Charger 30A: No GBP price seen on a UK retailer page on 2026-09-16; price_band_gbp omitted.
• Sterling Power Pro Batt Ultra BB1230 12V-12V 30A battery to battery charger: Sterling's documents disagree on switch-on/off voltages (all read 2026-11-04): the V71 manual (Green models, Feb 2020) says 13.2V on / 13.0V off with a 240 s timer; the Blue Stripe manual (March 2021 V4, for 'BLUE & YELLOW (solar) stripe BB models') says 13.5V on / 13.3V off; catalogue page 20 says 13.6V on / 13.3V off with a 12.2V regenerative-braking floor (and '13.3V / 26.6V on' in its activation-mode text); the product page says 13.3V on / 13.0V off. The product page links both manuals ('Green BB1230/60 (Very Latest) Instructions Version 69+' and 'Blue Stripe 2022 Model Instruction Manual'). Ask Sterling which applies to current stock.
• Sterling Power Pro Batt Ultra BB1230 12V-12V 30A battery to battery charger: Sterling states the 30 A rating as input current ('Input Current (A) 30' in the V71 and Blue Stripe manuals; '30A input' on catalogue page 20). No output current figure was found in these documents on 2026-11-04. output_a holds the input rating because the schema requires a number; the site's Output column therefore shows an input figure.
• Victron Energy Orion-Tr Smart 12/12-30A Isolated DC-DC charger: The isolated Orion-Tr Smart datasheet PDF (Datasheet-Orion-Tr-Smart-DC-DC-chargers-isolated-250-400W-EN-.pdf) extracted as images only on 2026-09-16 and again on 2026-11-04; all figures were taken from the Rev 14 manual instead.
• Victron Energy Orion-Tr Smart 12/12-30A Isolated DC-DC charger: Whether the output current is user-configurable is not stated in the Rev 14 manual sections read (re-checked 2026-11-04); output_a_configurable left null.
• Victron Energy Orion XS 12/12-50A DC-DC battery charger: Isolated/non-isolated is not stated in the Rev 12 manual or in Datasheet-Orion-XS-DC-DC-battery-charger-EN.pdf (both read 2026-11-04); `isolated` left null.
• Victron Energy Orion XS 12/12-50A DC-DC battery charger: Victron's model product page https://www.victronenergy.com/dc-dc-converters/orion-xs-12-12-50a-dc-dc-battery-charger returned 404 on 2026-09-16 and 2026-11-04; the family page was used instead.
• Durite 0-727-10 12V 100A extra heavy duty make/break relay: Durite does not itself call 0-727-10 a split charge relay on the sheet or page read; UK retailers do. No UK retail price seen on 2026-09-16.
• Durite 0-727-23 12V 70/20A double contact split charge relay: The task brief described 0-727-23 as a 12V 100A ignition-controlled relay; Durite's own sheet rates it 70/20 amp and the product page marks it discontinued. The 100 A relay is 0-727-10 (separate record).
• Durite 0-727-23 12V 70/20A double contact split charge relay: No UK retail price seen on 2026-09-16; price_band_gbp omitted.
• Durite 0-727-33 12V 140A voltage sensitive relay: durite.co.uk shows prices only to logged-in trade accounts; the price band rests on one retailer page.
• Durite 0-727-43 12V 200A Smart Programmable Voltage Sensitive Relay: Ask Durite for the voltage values of programmes 1-9; the leaflet omits them.
• Durite 0-727-43 12V 200A Smart Programmable Voltage Sensitive Relay: No UK retail price seen on 2026-09-16; durite.co.uk prices are login-gated.
• Victron Energy Cyrix-ct 12/24V 120A intelligent battery combiner: Datasheet carries no edition date (re-checked 2026-11-04); record one if a dated revision appears.
• Victron Energy Cyrix-Li-ct 12/24V 120A lithium battery combiner: Could not be read (404) on 2026-09-16 and 2026-11-04: https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-Li-ct-EN.pdf; the Cyrix Li-ion 120 A series datasheet was used instead.
• Victron Energy Cyrix-Li-ct 12/24V 120A lithium battery combiner: No GBP price seen on a UK retailer page on 2026-09-16; price_band_gbp omitted.
• Citroen Relay (Jumper): Could not be read (DNS failure) on 2026-09-16: https://business.citroen.co.uk/commercial-vehicles/vans/citroen-relay/vehicle-handbook (not re-attempted on 2026-11-04).
• Citroen Relay (Jumper): The handbook URL was inferred from the ed01-21 French/Spanish paths (same document number 369); it downloaded as a 6.4 MB PDF with an English text layer. Confirm it is the current UK edition.
• Fiat Ducato X290 (2014 on, including Series 8 and 9): Fiat publishes a separate Ducato Camper handbook (290_DUCATOCAMPER) in Dutch, German and French on aftersales.fiat.com; no English edition was found on 2026-09-16. It may carry a second-battery charging statement.
• Fiat Ducato X290 (2014 on, including Series 8 and 9): Series 8 (2021) and Series 9 handbooks were not read; the MY19 edition was the latest English Ducato handbook found.
• Ford Transit (2014 on): Ford owner's manuals for Transit builds from 2014 to January 2022 were not read.
• Ford Transit (2014 on): https://www.ford.co.uk/support/vehicle/transit/2022/owner-manuals (official_url) showed 'No data for this vehicle. Please verify your vehicle's information.' in the browser on 2026-11-04 (the 2024 page shows the same); the manuals were read from fordservicecontent.com.
• Ford Transit Custom (2013-2023): Ford owner's manuals for Transit Custom builds from 2013 to January 2020 were not read; they may or may not carry the same wording.
• Ford Transit Custom (2013-2023): Ford UK marketing copy for Transit Custom quoted in search results ('Smart Regenerative Charging only charges the battery when it needs it...') could not be found on a live ford.co.uk page on 2026-09-16 (performance-efficiency page returned 404).
• Ford Transit Custom (2023 on): Could not be read (404) on 2026-09-16 and 2026-11-04: https://www.ford.co.uk/vans-and-pickups/transit-custom/features/performance-efficiency; the live https://www.ford.co.uk/vans-and-pickups/transit-custom page carried no charging wording on 2026-09-16.
• Mercedes-Benz Sprinter (W907/V907, 2018 on): Only the online operator's manual pages 'ECO start/stop function operation' and 'Notes on the 12 V battery' (Sprinter June 2019 P907 MBUX) and 'How the ECO start/stop function operates' (June 2025 C907 MBUX) were read on 2026-11-04; the full manual and its auxiliary-battery pages were not read.
• Mercedes-Benz Sprinter (W907/V907, 2018 on): The price list read is the August 2018 edition; check a current edition for changed battery and alternator option wording.
• Mercedes-Benz Vito (W447, 2014 on): Only the online manual pages named in `note` were read on 2026-11-04 (plus 'Notes on starting assistance and on charging the 12 V battery', which concerns external chargers and jump-starting). The Vito Owner's Manual PDF is offered only through a download button and was not read; earlier editions (2014 November to 2025 July) were not read.
• Mercedes-Benz Vito (W447, 2014 on): The URL cited on 2026-09-16 (https://www.mercedes-benz.co.uk/passengercars/services/manuals.html/vito-commercial-van-2024-06-c447-mbux) returned 404 on 2026-11-04; the Mercedes-Benz UK manual index lists no June 2024 Vito edition (2024 May and 2024 March are listed).
• Mercedes-Benz Vito (W447, 2014 on): Could not be read (403) on 2026-11-04 (XML error response on 2026-09-16): https://tools.mercedes-benz.co.uk/current/vans/brochures/full-vito-brochure.pdf.
• Mercedes-Benz Vito (W447, 2014 on): The Vito feature page 'Eco start/stop technology' (https://www.mercedes-benz.co.uk/vans/en/vito-panel-van/features/facelift-optional-equipment-highlights/teaser-group-2/eco-start-stop-technology) returned 404 on 2026-11-04.
• Nissan NV200: Nissan's NV200 owner's manual is not publicly hosted on nissan.co.uk (manuals are sold via shop.nissan.co.uk); it was not read.
• Nissan NV200: Could not be read (404) on 2026-09-16 and 2026-11-04: https://www.nissan.co.uk/vehicles/new-vehicles/townstar-van.html (used only to check whether Nissan UK still lists the NV200).
• Nissan NV200: Brochure carries no edition date; record one if found.
• Peugeot Boxer: Only the ed12-25 English handbook (issue period from 01/12/2025) was read on 2026-11-04. Earlier Boxer handbooks on Peugeot Service Box (for example eGuide ed01-21 for 01/01/2021 - 30/09/2024, ed02-24, ed05-25) were not read; the portal offers English only as an en_us folder.
• Peugeot Boxer: The sister Citroen Relay handbook (same Sevel platform) was readable and states nothing about diesel alternator control, but a Citroen document cannot be used for a Peugeot record.
• Renault Trafic III (X82): The online manual is served for 'Renault Trafic' without a generation label; confirm it is the X82 (Trafic III) text. The former gb.e-guide.renault.com/eng/Trafic-3-ph2 pages now redirect (301) to user-manual.renault.com.
• Toyota Proace: Toyota UK owner's manuals are VIN-gated at https://www.toyota.co.uk/customer/manuals and were not read on 2026-09-16; the Proace manual may carry Stop & Start battery wording.
• Vauxhall Vivaro (2019 on): Other New Vivaro manual editions listed on vauxhall.co.uk (April 2019, June 2021, September 2021, 2022) were not read on 2026-11-04. https://www.vauxhall.co.uk/owners/owners-manuals/vivaro.html now redirects to the owners' manuals index.
• Vauxhall Vivaro (2019 on): Do not fill this record from the Peugeot Expert, Citroen Dispatch or Toyota Proace handbooks even though they share the platform; only a Vauxhall document counts.
• Volkswagen Crafter (2017 on): Could not be read (404) on 2026-09-16 and 2026-11-04: https://www.volkswagen-vans.co.uk/en/models/crafter.html.
• Volkswagen Crafter (2017 on): Volkswagen's Crafter owner's manual is VIN-gated and was not read; it may describe the optional second battery and 'recuperation'.
• Volkswagen Transporter T5: Volkswagen's T5 owner's manual is not publicly hosted; a printed or VIN-gated copy would need to be checked for any battery-charging wording.
• Volkswagen Transporter T6.1: Volkswagen's owner's manual for the T6.1 is VIN-gated (myVW / online manual) and was not read on 2026-09-16; it may contain 'recuperation' or 'brake energy recuperation' wording.
• Volkswagen Transporter T6.1: Could not be read (404) on 2026-09-16 and 2026-11-04: https://www.volkswagen-vans.co.uk/en/models/transporter-6-1.html.
• Volkswagen Transporter T6: Volkswagen's T6 owner's manual is VIN-gated and was not read on 2026-09-16; it may contain 'recuperation' wording and engine-specific applicability.