{"product_id":"rolls-vb12-150lfp-12v-150ah-lifepo4-battery","title":"Rolls VB12-150LFP 12V 150Ah LiFePO4 Battery","description":"\u003cdiv style=\"font-size: 18px; line-height: 1.6;\"\u003e\n\u003c!-- A. Product Title \/ Heading --\u003e\n\u003ch1 style=\"text-align: center;\"\u003eRolls VB12-150LFP 12V 150Ah LiFePO₄ Battery\u003c\/h1\u003e\n\u003c!-- B. Key value proposition --\u003e\n\u003ch2\u003eKey benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e12V 150Ah LiFePO₄ leisure battery in a standard Group 31 case, ideal as a drop‑in upgrade for deep‑cycle lead‑acid in caravans, motorhomes, boats and off‑grid systems.\u003c\/li\u003e\n\u003cli\u003eLong service life with \u0026gt;6000 cycles at 80% depth of discharge and \u0026gt;3000 cycles at 100% DOD, helping to cut whole‑life energy storage cost.\u003c\/li\u003e\n\u003cli\u003eIntegrated hardware BMS plus Bluetooth connectivity and dedicated iOS\/Android app for straightforward monitoring and protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- C. Brief Description --\u003e\n\u003ch2\u003eBrief description\u003c\/h2\u003e\n\u003cp\u003eThe Rolls VB12-150LFP 12V 150Ah LiFePO₄ Battery (R12‑150LFP) is part of the R‑Series LFP range, using cylindrical LiFePO₄ cells in a robust ABS BCI Group 31 enclosure. With 1.92kWh of usable energy, fast charge\/discharge capability and maintenance‑free operation, it suits leisure vehicles, marine house banks, commercial service vans and small off‑grid setups needing reliable 12V storage. A built‑in 4S150A BMS manages safety functions, while Bluetooth and the Rolls app provide an at‑a‑glance view of state of charge and operating conditions.\u003c\/p\u003e\n\u003c!-- D. Key features --\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e12.8V nominal, 150Ah capacity and 1.92kWh total energy in a compact Group 31 footprint.\u003c\/li\u003e\n\u003cli\u003eStandard‑size ABS case with rope\/plastic handles and M8 terminals for easy replacement of VRLA or AGM batteries.\u003c\/li\u003e\n\u003cli\u003eFast charge\/discharge performance with up to 75A charge and 150A continuous discharge, plus 800A surge (300ms) for starting high inrush loads.\u003c\/li\u003e\n\u003cli\u003eWide operating temperature range and IP65 enclosure for demanding leisure and light commercial environments.\u003c\/li\u003e\n\u003cli\u003eConfigurable up to 4 in series and 4 in parallel (4S4P at 48V) or up to 6 in parallel at 12V for scalable storage banks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- E. Technical specifications – all strings from the datasheet --\u003e\n\u003ch2\u003eTechnical specifications \u003c\/h2\u003e\n\u003ch3\u003eGeneral\u003c\/h3\u003e\n\u003ctable style=\"width: 100.087%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eSeries\u003c\/td\u003e\n\u003ctd style=\"width: 36.5557%;\"\u003eR‑SERIES LFP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"width: 36.5557%;\"\u003eSee Warranty Terms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eVolts\u003c\/td\u003e\n\u003ctd style=\"width: 36.5557%;\"\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eDesign\u003c\/td\u003e\n\u003ctd style=\"width: 36.5557%;\"\u003eGrp 31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eTerminal Type\u003c\/td\u003e\n\u003ctd style=\"width: 36.5557%;\"\u003eM8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eIncluded Hardware\u003c\/td\u003e\n\u003ctd style=\"width: 36.5557%;\"\u003eM8 stainless bolts \u0026amp; washers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCharge \/ Discharge\u003c\/h3\u003e\n\u003ctable style=\"width: 100.087%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eCharge Voltage Range\u003c\/td\u003e\n\u003ctd style=\"width: 36.7744%;\"\u003e14.0 - 14.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eRecommended End of Discharge Voltage\u003c\/td\u003e\n\u003ctd style=\"width: 36.7744%;\"\u003e12.0 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eEnd of Discharge Protection Voltage\u003c\/td\u003e\n\u003ctd style=\"width: 36.7744%;\"\u003e10.0 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eRecommended Charge Voltage\u003c\/td\u003e\n\u003ctd style=\"width: 36.7744%;\"\u003e14.4 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eRecommended Charge Current 0~10°C (32‑50°F)\u003c\/td\u003e\n\u003ctd style=\"width: 36.7744%;\"\u003e0.2C 30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eRecommended Charge Current 10~35°C (50‑95°F)\u003c\/td\u003e\n\u003ctd style=\"width: 36.7744%;\"\u003e0.5C 75A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eRecommended Charge Current 35~50°C (95‑122°F)\u003c\/td\u003e\n\u003ctd style=\"width: 36.7744%;\"\u003e0.2C 30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eCharge Mode\u003c\/td\u003e\n\u003ctd style=\"width: 36.7744%;\"\u003eCharge at recommend voltage \u0026amp; current by temperature until charge current drops to ≤ 0.05C (CC,CV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eCharge Mode Notes\u003c\/td\u003e\n\u003ctd style=\"width: 36.7744%;\"\u003eDO NOT USE TEMPERATURE COMPENSATION; No BTS (Battery Temperature Sensor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eMax Continuous Charge Current\u003c\/td\u003e\n\u003ctd style=\"width: 36.7744%;\"\u003e75 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eMax Continuous Discharge Current\u003c\/td\u003e\n\u003ctd style=\"width: 36.7744%;\"\u003e150 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eSurge Current Limit\u003c\/td\u003e\n\u003ctd style=\"width: 36.7744%;\"\u003e800 A (300ms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eCharge Temperature Range\u003c\/td\u003e\n\u003ctd style=\"width: 36.7744%;\"\u003e0°C~55°C (32~131°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eDischarge Temperature Range\u003c\/td\u003e\n\u003ctd style=\"width: 36.7744%;\"\u003e-20°~60°C (-4~140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 62.9632%;\"\u003eStorage Temperature Range\u003c\/td\u003e\n\u003ctd style=\"width: 36.7744%;\"\u003e-5°~45°C (23~113°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCapacity\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Capacity\u003c\/td\u003e\n\u003ctd\u003e150 AH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Energy\u003c\/td\u003e\n\u003ctd\u003e1.92 kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e12.8 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell type\u003c\/td\u003e\n\u003ctd\u003eCylindrical LiFePO4 cells (UL1642)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandards\u003c\/td\u003e\n\u003ctd\u003eIEC62133 (cell), IEC62619(cell), UN38.3 (cell\/pack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eROHS (cell), CE system certification, IP65 Rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDesign\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eContainer\u003c\/td\u003e\n\u003ctd\u003eABS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCover\u003c\/td\u003e\n\u003ctd\u003eABS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHandles\u003c\/td\u003e\n\u003ctd\u003eRope \/ Plastic Handle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign features\u003c\/td\u003e\n\u003ctd\u003eStandard-size (BCI) ABS container for easy VRLA replacement; Fast charge\/discharge performance; Maintenance-free operation; Bluetooth Connectivity \u0026amp; dedicated IOS \u0026amp; Android App\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eBattery Management System (BMS)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eIntegrated hardware BMS inside\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal BMS Model\u003c\/td\u003e\n\u003ctd\u003e4S150A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection topology\u003c\/td\u003e\n\u003ctd\u003eIndependent charge \u0026amp; discharge protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection functions\u003c\/td\u003e\n\u003ctd\u003eShort-Circuit Protection, Over-Voltage Protection, Low-Voltage Protection, Over-Current Protection, Low-Temperature Protection, Over-Temperature Protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e12V LFP profile – mechanical\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e15.5 kg \/ 34.2 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e330 mm \/ 13\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e173 mm \/ 6.81\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e216 mm \/ 8.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight Incl. Term.\u003c\/td\u003e\n\u003ctd\u003e219 mm \/ 8.62\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement note\u003c\/td\u003e\n\u003ctd\u003eProduct measurements \u0026amp; weights are calculated based on sample data. Individual specifications are subject to vary due to the manufacturing process \u0026amp; battery components.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOperational limits and configuration\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpected Cycle Life\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;6000 @ 80% DOD, \u0026gt;3000 @ 100% DOD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries Connection\u003c\/td\u003e\n\u003ctd\u003e4 UNITS MAX (48V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParallel Connection\u003c\/td\u003e\n\u003ctd\u003e4 UNITS MAX (48V) or 6 UNITS MAX (12V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eUp to 4S4P (in 48V configuration) or 1S6P (in 12V configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRevision\u003c\/td\u003e\n\u003ctd\u003eRev.#1 | May 2023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- F. Shipping --\u003e\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cp\u003eShipping is available to the UK, Ireland, Africa, the Caribbean and worldwide. If the shipping rate is not shown at checkout, please contact us on \u003ca href=\"tel:+442080640335\"\u003e+44 2080640335\u003c\/a\u003e or \u003ca href=\"mailto:info@energian.co.uk\"\u003einfo@energian.co.uk\u003c\/a\u003e for a tailored shipping quote.\u003c\/p\u003e\n\u003c!-- UK expert support --\u003e\n\u003ch2\u003eUK expert support\u003c\/h2\u003e\n\u003cp\u003eUK expert support is available to help with battery selection, sizing and configuration of the Rolls VB12-150LFP 12V 150Ah LiFePO₄ Battery in leisure, marine and off‑grid systems. For larger banks or systems with inverters, chargers and DC distribution we recommend installation and commissioning via our trusted partners to ensure safe operation and correct protection settings.\u003c\/p\u003e\n\u003cp\u003eYou can contact us by phone, email or live chat, or visit our office for an in‑person consultation to discuss your project and preferred system layout.\u003c\/p\u003e\n\u003c!-- Documents --\u003e\n\u003ch2\u003eDocuments available for download\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/www.rollsbattery.com\" style=\"color: rgb(43, 0, 255);\" rel=\"noopener\" target=\"_blank\"\u003eRolls R12‑150LFP \/ VB12‑150LFP datasheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/Rolls-VB-Series-LFP-Drop-In-Battery-Operating-Manual.pdf?v=1780991461\" target=\"_blank\" style=\"color: rgb(43, 0, 255);\" rel=\"noopener\"\u003eRolls R‑Series LFP installation \/ user manual\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Rolls Battery","offers":[{"title":"Default Title","offer_id":57527149756798,"sku":"VB12-150LFP","price":319.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/R12-150LFP-front.png?v=1780995704","url":"https:\/\/www.energian.co.uk\/products\/rolls-vb12-150lfp-12v-150ah-lifepo4-battery","provider":"Energian","version":"1.0","type":"link"}