{"product_id":"titan-280ah-12v-lithium-leisure-battery-maximum-12v-capacity-for-motorhome-marine-off-grid","title":"TITAN 280Ah 12V Lithium Leisure Battery – Maximum 12V Capacity for Motorhome, Marine \u0026 Off-Grid","description":"\u003cdiv class=\"cmnav-pp\"\u003e\n\n  \u003c!-- ===== HERO ===== --\u003e\n  \u003csection class=\"pp-hero\"\u003e\n    \u003cdiv class=\"pp-hero__copy\"\u003e\n      \u003cspan class=\"pp-eyebrow\"\u003eTITAN 280Ah 12V Lithium Leisure Battery\u003c\/span\u003e\n      \u003ch2\u003eMaximum 12V capacity for off-grid cabins, large motorhomes \u0026amp; marine installs\u003c\/h2\u003e\n      \u003cp\u003e3,584Wh of real, usable energy in a single 12V case — the most TITAN packs into the standard industrial 345mm format. \u003cstrong\u003eReplaces 6–7 lead-acid leisure batteries\u003c\/strong\u003e with one drop-in unit that’s 144kg lighter, with a 250A continuous BMS handling 3,000W+ inverter loads. Backed by a transferable lifetime warranty from a UK family of battery specialists trading since 1948.\u003c\/p\u003e\n      \u003cdiv class=\"pp-badges\"\u003e\n        \u003cspan class=\"pp-badge pp-badge--gold\"\u003e3,584Wh \/ 280Ah\u003c\/span\u003e\n        \u003cspan class=\"pp-badge\"\u003e250A Custom BMS\u003c\/span\u003e\n        \u003cspan class=\"pp-badge\"\u003e25kg vs 169kg lead-acid\u003c\/span\u003e\n        \u003cspan class=\"pp-badge\"\u003eLifetime Warranty\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"pp-hero__image\"\u003e\n      \u003cimg src=\"https:\/\/titanlithium.co.uk\/cdn\/shop\/files\/TITAN_280Ah_Main.jpg?v=1758641815\u0026amp;width=2000\" alt=\"TITAN 12V 280Ah Lithium Leisure Battery in industrial 345mm case\" loading=\"lazy\"\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== STATS ===== --\u003e\n  \u003csection class=\"pp-stats\"\u003e\n    \u003cdiv class=\"pp-stat\"\u003e\n\u003cspan class=\"pp-stat__num\"\u003e3,584Wh\u003c\/span\u003e\u003cspan class=\"pp-stat__label\"\u003eReal usable energy at 12.8V\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"pp-stat\"\u003e\n\u003cspan class=\"pp-stat__num\"\u003e250A\u003c\/span\u003e\u003cspan class=\"pp-stat__label\"\u003eContinuous BMS discharge\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"pp-stat\"\u003e\n\u003cspan class=\"pp-stat__num\"\u003e3500–15k+\u003c\/span\u003e\u003cspan class=\"pp-stat__label\"\u003eCycles depending on DoD\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"pp-stat\"\u003e\n\u003cspan class=\"pp-stat__num\"\u003e99%\u003c\/span\u003e\u003cspan class=\"pp-stat__label\"\u003eRound-trip efficiency\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== THE 280AH IN SHORT ===== --\u003e\n  \u003csection class=\"pp-section pp-two\"\u003e\n    \u003cdiv class=\"pp-two__panel\"\u003e\n      \u003ch3\u003eOne battery. The work of six and a half lead-acid units.\u003c\/h3\u003e\n      \u003cp\u003eBuilt for high-capacity off-grid cabins, larger motorhomes and marine installs — close to the industrial 345mm pack ceiling for capacity in a single 12V case. Sized to swap straight in for an existing AGM bank: strap down on a flat floor or in a vented locker, no rework needed for most existing locations.\u003c\/p\u003e\n      \u003cul class=\"pp-list\"\u003e\n        \u003cli\u003e3,584Wh usable, up to \u003cstrong\u003e295Ah\u003c\/strong\u003e in practice from cell-grade headroom\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003e250A continuous\u003c\/strong\u003e BMS discharge, peaks at 280A — comfortably runs 3,000W+ inverter loads\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003e25kg\u003c\/strong\u003e — replaces 169kg of lead-acid for the same usable Wh\u003c\/li\u003e\n        \u003cli\u003eNative Victron CANBUS, RS485 \u0026amp; NMEA2000 (set on request before dispatch)\u003c\/li\u003e\n        \u003cli\u003eBuilt-in heater mat — safe charging down to \u003cstrong\u003e−20°C\u003c\/strong\u003e\n\u003c\/li\u003e\n        \u003cli\u003e\u003cstrong\u003eLifetime, transferable warranty\u003c\/strong\u003e\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp class=\"pp-small\"\u003eCase height is 265mm in normal upright orientation. Strap-down on a flat floor; this pack is sized for cabin \/ locker \/ engine-bay installs, not under-seat fitments.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"pp-two__image\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0884\/4253\/6201\/files\/TITAN_-_IND_CASE_345MM.svg?v=1741269217\" alt=\"TITAN 280Ah industrial 345mm case dimensions diagram showing 345mm long by 190mm wide by 265mm high\" loading=\"lazy\"\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== FITMENT TABLE ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eWill it fit your install?\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eThe industrial 345mm footprint is the standard format for big lead-acid leisure banks — common in marine engine bays, off-grid cabinets and larger motorhome battery compartments. Where smaller 12V lithiums need to be paralleled to deliver this capacity, this is one battery that does the lot.\u003c\/p\u003e\n    \u003ctable class=\"pp-spec\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOff-grid cabins \/ sheds \/ outbuildings\u003c\/td\u003e\n\u003ctd\u003eDirect fit — standard upright industrial footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eLarge motorhome conversions\u003c\/td\u003e\n\u003ctd\u003eDirect fit — replaces 3–4 lead-acid batteries with one pack\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMarine house-bank installs\u003c\/td\u003e\n\u003ctd\u003eDirect fit — dimensions match common 250Ah AGM bays\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCustom van builds (rear garage)\u003c\/td\u003e\n\u003ctd\u003eDirect fit — strap-down on the floor or in a vented locker\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSolar \/ home backup banks\u003c\/td\u003e\n\u003ctd\u003eDirect fit — ideal for smaller 12V solar systems wanting big single-battery storage\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e345mm (L) × 190mm (W) × 265mm (H)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n    \u003cdiv class=\"pp-warn\"\u003e\n\u003cstrong\u003eLeisure use only:\u003c\/strong\u003e designed for powering appliances and accessories. \u003cstrong\u003eNot a starter battery\u003c\/strong\u003e — do not use to crank an engine. Sized for floor-level \/ locker installs — the 265mm height is taller than typical under-seat clearance.\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== CELL CHEMISTRY ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eThe cell chemistry: LiFePO₄, prismatic, Grade A\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eAll TITAN batteries use lithium iron phosphate (LiFePO₄) prismatic cells — the most thermally and chemically stable lithium chemistry available. \u003cstrong\u003eNo cobalt, no nickel, no off-gassing, no acid.\u003c\/strong\u003e The trade-off is a slightly lower cell voltage (3.2V per cell, 4 cells = 12.8V) and lower energy density than the NMC cells used in EVs. In return, you get lifespans that make NMC look disposable: \u003cstrong\u003e3,000 to 25,000 cycles\u003c\/strong\u003e depending on use, against NMC’s 1,000 to 2,500.\u003c\/p\u003e\n    \u003cdiv class=\"pp-note\"\u003eLiFePO₄ is now widely considered \u003cstrong\u003esafer than lead-acid\u003c\/strong\u003e. Cells can be installed in any orientation (upright is optimum), contain no liquid electrolyte, and are fully recyclable.\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== CYCLE LIFE ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eCycle life you won’t outlive\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eA cycle is one full discharge plus one full recharge. Cycle count scales with how deep you take each discharge:\u003c\/p\u003e\n    \u003cul class=\"pp-list\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003e100% DoD\u003c\/strong\u003e — 3,000 cycles (~8.2 years at one cycle a day)\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e80% DoD\u003c\/strong\u003e — 6,000 cycles\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e50% DoD\u003c\/strong\u003e — 12,000 cycles (over 30 years of daily use)\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e30% DoD\u003c\/strong\u003e — 15,000+ cycles\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cdiv class=\"pp-note\"\u003eFor reference, the best lead-acid gel battery tops out at 350–400 cycles at 80% DoD. A TITAN at the same depth gives 6,000 — \u003cstrong\u003eroughly 15× the service life\u003c\/strong\u003e. For an off-grid installation this is the difference between replacing a battery bank every 4 years and replacing it once in two decades.\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== PRISMATIC CELLS ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003ePrismatic, not cylindrical\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eTITAN cells are long, flat prisms that fill the rectangular case end to end. Cylindrical cells leave gaps between every cell and are much harder to repair (lots of spot welding), so TITAN pays the extra cost for prismatic and passes the capacity gain back to you — especially valuable in this large industrial case where cell density translates directly to pack capacity.\u003c\/p\u003e\n    \u003cul class=\"pp-list\"\u003e\n      \u003cli\u003eAluminium cell casing disperses heat evenly — even at full 250A BMS allowance, peak cell temperatures sit around 45°C, well inside spec\u003c\/li\u003e\n      \u003cli\u003eThermal runaway territory only starts around 100°C — nowhere near normal operation\u003c\/li\u003e\n      \u003cli\u003eHeater mats also work better with prismatic cells — every cell sits against the heating element, rather than only the outer ring of a cylindrical pack\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== CAPACITY VS LEAD-ACID ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eCapacity, without the weight\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eMatching this 280Ah in lead-acid means six and a half Exide ER550 115Ah batteries paralleled up to 750Ah. \u003cstrong\u003eOne TITAN 280Ah replaces the lot\u003c\/strong\u003e — massive savings in space, weight and cabling, with no gassing so it can live anywhere.\u003c\/p\u003e\n    \u003cdiv class=\"pp-note\"\u003eWe quote capacity in \u003cstrong\u003eWh (Watt-hours)\u003c\/strong\u003e because Ah on its own ignores chemistry. TITAN lithium delivers 100% of rated capacity. Gel manages around 90%, AGM 75%, flooded lead-acid 60%. Factor that in and a TITAN 280Ah has more than \u003cstrong\u003edouble the real-world capacity\u003c\/strong\u003e of a lead-acid battery on the same label rating.\u003c\/div\u003e\n    \u003ch4 style=\"margin: 24px 0 8px; font-size: clamp(17px, 2.2vw, 20px); color: var(--nav); text-transform: uppercase;\"\u003e25kg. Not 169kg.\u003c\/h4\u003e\n    \u003cp\u003eThere isn’t a single lead-acid battery that comes close to this capacity. The honest comparison is six and a half ER550-class leisure batteries paralleled together to match the usable Wh — that’s 169kg of lead-acid sitting in your install. \u003cstrong\u003eOne TITAN does it in 25kg.\u003c\/strong\u003e A 144kg saving matters on a motorhome’s drive-axle plate, at the ferry scales, on a yacht’s waterline, and at the pump.\u003c\/p\u003e\n    \u003ch4 style=\"margin: 24px 0 8px; font-size: clamp(17px, 2.2vw, 20px); color: var(--nav); text-transform: uppercase;\"\u003e99% electrically efficient\u003c\/h4\u003e\n    \u003cp\u003eAlmost every watt you put in comes back out. A great partner for solar — no wasted incoming charge — and happy to accept very high charge currents: \u003cstrong\u003e0 to 95% in under two hours\u003c\/strong\u003e at 100A+.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== HIGH-DRAW LOADS ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003e3,000W+ off-grid loads, no nuisance trips\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eThe 250A continuous BMS comfortably handles the kind of kit a serious off-grid cabin or motorhome owner actually wants to run:\u003c\/p\u003e\n    \u003cul class=\"pp-list\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003e3,000W+ inverters:\u003c\/strong\u003e induction hobs, full-size microwaves, electric kettles, espresso machines\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eAir conditioning:\u003c\/strong\u003e small AC units off-grid for serious comfort in hot weather\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eHeat pumps \u0026amp; electric water heaters:\u003c\/strong\u003e short bursts on inverter\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eLarge compressor fridges, freezers \u0026amp; chest coolers:\u003c\/strong\u003e all-day cycling without BMS trips\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWinches \u0026amp; high-surge DC motors:\u003c\/strong\u003e 280A peak handles cold-start spikes\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSolar charge currents to 100A+:\u003c\/strong\u003e 0–95% in under two hours when the sun cooperates\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== THE TITAN BMS ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eThe TITAN BMS — matched, not off-the-shelf\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eThe battery management system is the circuit board between the cells and the terminals. It’s the difference between a lithium battery that lasts 15 years and one that self-destructs in two. \u003cstrong\u003eMost brands fit an off-the-shelf board with generic parameters. TITAN doesn’t.\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp\u003eThe TITAN BMS is custom, with parameters tuned to the exact cell spec used. That lets the cells run right up to their real safe working limits without compromising protection. It’s also how an extra 5–10% usable capacity comes out of every cell — a 280Ah can show as \u003cstrong\u003e295Ah fully charged\u003c\/strong\u003e. The bonus capacity isn’t guaranteed batch to batch, but the BMS re-maps its 100% reading automatically so the app always shows what you actually have.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== 11 PROTECTIONS ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003e11 protections, all self-resetting\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eOver-discharge, over-voltage, under-voltage, over-current, short-circuit, over-temperature, under-temperature, cell balance faults and more. \u003cstrong\u003eAll protections are temporary\u003c\/strong\u003e — they either self-reset or clear the moment the battery is put back on charge. The 250A continuous current allowance on this model is class-leading thanks to premium MOSFETs, oversized heat sinks and properly sized internal cabling.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== BALANCING \u0026 HEATER ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eDual active \u0026amp; passive cell balancing\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003ePassive balancing is cheap: cells bleed off to each other and that’s it. Active balancing actively moves energy between cells, protecting the weakest cell from doing all the work. \u003cstrong\u003eMost brands pick one. TITAN runs both\u003c\/strong\u003e — passive for small voltage deltas, active for larger ones. Keeps the BMS’s own power draw low while still giving the full benefit of active balancing. Automatic, most active when charging above 3.4V per cell, full effect between 90–100% SOC.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eSelf-heating — safely charging down to −20°C\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eLithium cannot be charged below 0°C without cell damage. The built-in heater mat wraps the internal pack and kicks in automatically at around 2°C whenever there’s an incoming charge current.\u003c\/p\u003e\n    \u003cul class=\"pp-list\"\u003e\n      \u003cli\u003eDraws from the charger first; if the charger can’t keep up, pulls up to 3.6A from the battery itself\u003c\/li\u003e\n      \u003cli\u003eBrings cell temperature to 10°C before routing charge back to the cells\u003c\/li\u003e\n      \u003cli\u003eExpect roughly \u003cstrong\u003e20 extra minutes\u003c\/strong\u003e on charge time in the cold\u003c\/li\u003e\n      \u003cli\u003eDischarge is unaffected and works down to −20°C\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== HIBERNATION ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eAutomatic hibernation\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eA fully discharged lithium battery left for months can be a lithium battery that doesn’t come back. Automatic hibernation triggers after several days of inactivity at low SOC. The battery stops outputting but retains enough headroom to last around \u003cstrong\u003e6 months\u003c\/strong\u003e (longer on a pack this size) before any cell risk. Wakes up the moment you put it on charge or open the app.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== INRUSH ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eHandles high inrush currents\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eInverters, water pumps, motor movers and compressors can pull \u003cstrong\u003e1,000A+ for a microsecond on start-up\u003c\/strong\u003e. Many BMSs read that as a short circuit and trip. The TITAN is tuned to ride those spikes without nuisance shutdowns, so start-up loads behave exactly the way they did on your old lead-acid bank.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== INVERTER COMMS ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eInverter \u0026amp; device communication\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eComms ports on the case let the battery talk to compatible inverters, chargers and GX devices. Defaults to \u003cstrong\u003eVictron CANBUS (VE.CAN and BMS.CAN)\u003c\/strong\u003e and is compatible with Victron DVCC out of the box — particularly important on a pack this size for accurate SOC reporting and proper charge management on a Multiplus II or similar inverter\/charger. The data mode can be switched to other brands or protocols on request — flag it in the order notes and TITAN’s engineers will set it before dispatch.\u003c\/p\u003e\n    \u003cp style=\"margin-top: 14px;\"\u003e\u003cstrong\u003eKnown working with:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul class=\"pp-list\"\u003e\n      \u003cli\u003eVictron GX devices (default) — CAN\u003c\/li\u003e\n      \u003cli\u003eGrowatt — CAN\u003c\/li\u003e\n      \u003cli\u003eSacolar — CAN\u003c\/li\u003e\n      \u003cli\u003eGoodwe — CAN\u003c\/li\u003e\n      \u003cli\u003eVoltronic Power — RS485\u003c\/li\u003e\n      \u003cli\u003eSofar — CAN\u003c\/li\u003e\n      \u003cli\u003eSorotec — CAN or RS485\u003c\/li\u003e\n      \u003cli\u003eDeye \/ SunSynk — CAN or RS485\u003c\/li\u003e\n      \u003cli\u003eSolis — CAN\u003c\/li\u003e\n      \u003cli\u003eLuxpower — CAN\u003c\/li\u003e\n      \u003cli\u003ePylon Tech — CAN or RS485\u003c\/li\u003e\n      \u003cli\u003eSol-Ark — CAN\u003c\/li\u003e\n      \u003cli\u003eSRNE — RS485\u003c\/li\u003e\n      \u003cli\u003eMUST — CAN\u003c\/li\u003e\n      \u003cli\u003eSMA — CAN\u003c\/li\u003e\n      \u003cli\u003eMEGAREVO — CAN\u003c\/li\u003e\n      \u003cli\u003eMPP Sola — RS485\u003c\/li\u003e\n      \u003cli\u003eTBB Power — CAN\u003c\/li\u003e\n      \u003cli\u003eSenergy — CAN\u003c\/li\u003e\n      \u003cli\u003eSchneider Electric — CAN\u003c\/li\u003e\n      \u003cli\u003eAiswei — CAN\u003c\/li\u003e\n      \u003cli\u003eSMK — RS485\u003c\/li\u003e\n      \u003cli\u003eFoxess — CAN\u003c\/li\u003e\n      \u003cli\u003eSunGrow — CAN\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp class=\"pp-small\"\u003eCable kits for every protocol are available separately — please get in touch if you need one. Multiple batteries can be paralleled (up to 8 = 2,240Ah) with their data merged via Ethernet (CAT-V).\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== FITMENT \u0026 INSTALLATION ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eDrop-in for industrial lead-acid banks\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eSized to swap straight in for an industrial 345mm lead-acid bank. Confirm your existing footprint against the 345mm × 190mm × 265mm case dimensions and that your cabling will reach the M8 terminal posts.\u003c\/p\u003e\n    \u003cul class=\"pp-list\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCharger:\u003c\/strong\u003e if your charger has no dedicated lithium preset, AGM or “Sealed” modes are accepted. Aim for max charge voltage of \u003cstrong\u003e14.4V\u003c\/strong\u003e\n\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSplit-charge relays \u0026amp; DC-DC chargers:\u003c\/strong\u003e compatible out of the box\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eTerminals:\u003c\/strong\u003e high-performance copper \u003cstrong\u003eM8 bolt\u003c\/strong\u003e terminals as standard — the format used by industrial lead-acid leisure batteries in this size class. Two M8 bolts and spring washers are included for direct ring-terminal cabling. Need round (SAE\/automotive) terminals instead? \u003cstrong\u003eTITAN ships brass automotive adapters free of charge\u003c\/strong\u003e — just leave a note at checkout.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 265mm tall in standard orientation — sized for floor-mounted installs in lockers, engine rooms and off-grid cabinets. Upright is optimal for longevity.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== APP ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eBluetooth monitoring \u0026amp; the TITAN app\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eBluetooth is built in. The free TITAN app (iOS and Android, 10 languages) shows everything that matters in real time:\u003c\/p\u003e\n    \u003cul class=\"pp-list\"\u003e\n      \u003cli\u003eLive voltage, current in both amps and watts\u003c\/li\u003e\n      \u003cli\u003eState of charge as a percentage \u003cstrong\u003eand\u003c\/strong\u003e in Ah\u003c\/li\u003e\n      \u003cli\u003eIndividual cell voltages\u003c\/li\u003e\n      \u003cli\u003eInternal temperature\u003c\/li\u003e\n      \u003cli\u003eEstimated time to full or empty\u003c\/li\u003e\n      \u003cli\u003eProtection trip history\u003c\/li\u003e\n      \u003cli\u003eLive balancing activity\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp style=\"margin-top: 14px;\"\u003eHandles multiple batteries in series or parallel and re-calculates totals automatically — whether you’ve got one 280Ah or three in parallel for a 840Ah \/ 10.7kWh house bank, the figures on screen match the actual pack.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== WARRANTY \u0026 COST ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eLifetime warranty, transferable\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eTITAN backs every grade-A cell battery with a warranty that lasts the lifetime of the battery — \u003cstrong\u003efully transferable\u003c\/strong\u003e. The parent company has been trading continuously since 1948, so they intend to be around to honour it in 20 years’ time.\u003c\/p\u003e\n    \u003cdiv class=\"pp-note\"\u003eWhat the warranty \u003cstrong\u003edoesn’t cover\u003c\/strong\u003e is wear. All batteries lose capacity with use. LiFePO₄ is remarkably resistant: expect a 5–10% capacity drop every decade of normal use. A brand-new 280Ah shows around 295Ah fully charged, a 10-year-old 280Ah around 265Ah, a 20-year-old around 240Ah. Natural degradation isn’t a valid warranty claim — if a battery stops holding enough capacity for your use, it’s time to replace.\u003c\/div\u003e\n    \u003cp\u003eThe warranty covers components against premature failure caused by manufacturing faults.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eCheaper than lead-acid over a decade — significantly\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eThe TITAN 280Ah sits at around £720 new. Over its 10-year design life that’s \u003cstrong\u003e~£72 a year\u003c\/strong\u003e.\u003c\/p\u003e\n    \u003cp\u003eThe lead-acid equivalent — two Exide AGM EP2100 in parallel to match the usable Wh — is around £1,040 with a 4-year design life, which means replacing it roughly 2.5 times over the same period. Call it £260 a year, with cascading labour each replacement.\u003c\/p\u003e\n    \u003cdiv class=\"pp-note\"\u003e\n\u003cstrong\u003eAround £1,880 saved over 10 years\u003c\/strong\u003e, before you factor in the weight, volume and efficiency benefits. In practice most TITAN customers see \u003cstrong\u003e15–20 years\u003c\/strong\u003e out of a single battery — even longer at moderate DoD on a stationary off-grid install. This is the size of pack where lifetime savings genuinely justify the up-front cost on paper.\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== MODULE-BASED REPAIR ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eModule-based repair, not landfill\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cp\u003eIf something fails, TITAN repairs the failed module — BMS, balance board, a single cell — rather than replace the whole battery. Lower cost, lower carbon footprint, faster turnaround. As a family of battery specialists trading since 1948, there isn’t much they haven’t already rebuilt.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== SPEC TABLE ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eFull technical specification\u003c\/h3\u003e\u003c\/div\u003e\n    \u003ctable class=\"pp-spec\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eNominal voltage\u003c\/td\u003e\n\u003ctd\u003e12.8V\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e280Ah (3,584Wh) — up to 295Ah real-world from cell-grade headroom\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eInternal resistance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;10mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eRound-trip efficiency\u003c\/td\u003e\n\u003ctd\u003e99%\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSelf-discharge\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;2% per month (in hibernation)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCell chemistry\u003c\/td\u003e\n\u003ctd\u003eLiFePO₄ lithium iron phosphate\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCell type\u003c\/td\u003e\n\u003ctd\u003ePrismatic Grade A automotive cells\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eBMS continuous discharge\u003c\/td\u003e\n\u003ctd\u003e250A\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eBMS peak discharge\u003c\/td\u003e\n\u003ctd\u003e280A\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMaximum charge rate\u003c\/td\u003e\n\u003ctd\u003e250A\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eRecommended charge rate\u003c\/td\u003e\n\u003ctd\u003e10A to 50A\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eRecommended charge voltage\u003c\/td\u003e\n\u003ctd\u003e13.8V to 14.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMaximum charge voltage\u003c\/td\u003e\n\u003ctd\u003e14.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eLow-voltage disconnect\u003c\/td\u003e\n\u003ctd\u003e10.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eShort-circuit protection\u003c\/td\u003e\n\u003ctd\u003e1,500A @ \u0026lt;500µs\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMaximum connections\u003c\/td\u003e\n\u003ctd\u003e4 in series (48V) \u0026amp; 8 in parallel (2,240Ah)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eDischarge temperature range\u003c\/td\u003e\n\u003ctd\u003e−20°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCharge temperature range\u003c\/td\u003e\n\u003ctd\u003e−20°C to 50°C (heater enabled)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eHeater activation\u003c\/td\u003e\n\u003ctd\u003e≤3°C and on charge\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eHeater target temperature\u003c\/td\u003e\n\u003ctd\u003e5°C to 10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eHeater consumption\u003c\/td\u003e\n\u003ctd\u003e5.8A \/ 85W (±5%)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCell balance method\u003c\/td\u003e\n\u003ctd\u003eActive \u0026amp; passive (dual)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eDefault comms protocol\u003c\/td\u003e\n\u003ctd\u003eRS485 (1363.3) \u0026amp; Victron CANBUS (VE.CAN \u0026amp; BMS.CAN)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOther compatible protocols\u003c\/td\u003e\n\u003ctd\u003eCANBUS, RS485 (MODBUS) \u0026amp; NMEA2000 (set on request)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVictron DVCC compatible\u003c\/td\u003e\n\u003ctd\u003eYes via BMS.CAN\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eParallel data link\u003c\/td\u003e\n\u003ctd\u003eEthernet (CAT-V)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eBluetooth monitoring\u003c\/td\u003e\n\u003ctd\u003eBuilt in — free TITAN app for iOS \u0026amp; Android (10 languages)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e345mm (L) × 190mm (W) × 265mm (H) — industrial 345mm format\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e25kg\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCase material\u003c\/td\u003e\n\u003ctd\u003eABS plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eEnclosure rating\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTerminal type\u003c\/td\u003e\n\u003ctd\u003eM8 bolt (brass SAE adapters available free on request)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eType approvals\u003c\/td\u003e\n\u003ctd\u003eUN38.3, CE, RoHS, UKCA, UN ECE R10 (E-Mark), EMC\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eDesigned \u0026amp; tested in\u003c\/td\u003e\n\u003ctd\u003eCheltenham, UK by Groves Batteries Ltd (est. 1948)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== INCLUDED ===== --\u003e\n  \u003csection class=\"pp-section\"\u003e\n    \u003cdiv class=\"pp-section-head\"\u003e\u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\u003c\/div\u003e\n    \u003cul class=\"pp-list\"\u003e\n      \u003cli\u003e1 × TITAN 280Ah Lithium Leisure Battery\u003c\/li\u003e\n      \u003cli\u003e1 × Terminator (for inverter communications)\u003c\/li\u003e\n      \u003cli\u003e1 × Set of M8 bolts\u003c\/li\u003e\n      \u003cli\u003e1 × User manual\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp class=\"pp-small\"\u003eNeed brass SAE\/automotive terminal adapters? Free on request — just leave a note at checkout.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ===== FULFILMENT NOTICE ===== --\u003e\n  \u003csection class=\"pp-section pp-fulfil\"\u003e\n    \u003ch3\u003eImportant fulfilment, delivery \u0026amp; warranty information\u003c\/h3\u003e\n    \u003cp\u003eTo keep things fully transparent, this product is supplied and fulfilled by one of our trusted UK-based third-party partners. It is not stocked directly at our own premises.\u003c\/p\u003e\n    \u003cul class=\"pp-list\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003ePartner-fulfilled product:\u003c\/strong\u003e dispatched directly by the supplier from their own fulfilment operation\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003ePallet \/ heavy-item delivery:\u003c\/strong\u003e at 25kg this is a heavier-than-standard parcel — dispatch is typically on a tracked pallet or specialist heavy-parcel courier service. Delivery times and arrangements may vary depending on supplier stock and destination, and tracking details will be provided once available\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eManufacturer-backed lifetime warranty:\u003c\/strong\u003e warranty support, diagnostics and module-based repairs are handled directly by TITAN’s engineers in Cheltenham (Groves Batteries Ltd, trading continuously since 1948)\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCustom comms protocol setup:\u003c\/strong\u003e if you need a non-default protocol (anything other than the standard Victron CANBUS), let us know in the order notes and we’ll arrange it with TITAN’s engineers before dispatch\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSAE terminal adapters:\u003c\/strong\u003e if you need round automotive terminals instead of (or as well as) the standard M8 bolts, mention it in the order notes — TITAN ships brass adapters free of charge\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSupport from us:\u003c\/strong\u003e if you experience any issue, please contact us first — we will help coordinate the next steps with TITAN where required\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp class=\"pp-small\"\u003eYour statutory rights under UK consumer law are not affected. Where applicable, we will continue to act as your point of contact for order-related queries, returns guidance and support coordination.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n\u003c\/div\u003e","brand":"TITAN Lithium","offers":[{"title":"Default Title","offer_id":57101408141685,"sku":"LFP-280","price":720.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0120\/6458\/7876\/files\/TITAN_280Ah_Main.jpg?v=1777071873","url":"https:\/\/cmnav.co.uk\/products\/titan-280ah-12v-lithium-leisure-battery-maximum-12v-capacity-for-motorhome-marine-off-grid","provider":"C \u0026 M Navigation Systems ","version":"1.0","type":"link"}