{"product_id":"custom-lithium-next-generation-ultra-slim-620ah-lifepo4-battery","title":"Next Generation Ultra Slim 620Ah LiFePO4 Battery | 380A BMS","description":"\u003cdiv style=\"font-weight: bold;\"\u003e\n\u003ch2 style=\"color: #dd1d1d;\"\u003e🔋 CUSTOM LITHIUM NEXT GENERATION ULTRA SLIM 620AH LiFePO4 BATTERY – AUSTRALIAN MADE\u003c\/h2\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e620Ah • 12.8V LiFePO4 • 380A Continuous Discharge • 150mm Battery Thickness • 314A Recommended Charge • 47.5kg • 7 Year Warranty\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCustom Lithium Next Generation Ultra Slim 620Ah Battery\u003c\/strong\u003e is built for serious off-grid electrical systems requiring exceptionally high energy storage without relying on multiple conventional battery cases.\u003c\/p\u003e\n\u003cp\u003eWith a massive \u003cstrong\u003e620Ah of LiFePO4 capacity\u003c\/strong\u003e housed within a battery body approximately \u003cstrong\u003e150mm thick\u003c\/strong\u003e, it provides substantial usable energy while maintaining the low-profile form factor of the Ultra Slim range.\u003c\/p\u003e\n\u003cp\u003eA stated \u003cstrong\u003e380A continuous discharge capability\u003c\/strong\u003e, premium A-grade automotive LiFePO4 cells, high-current Heltech BMS and active cell balancing make the 620Ah model suitable for demanding caravan, canopy, motorhome and appropriately engineered high-power inverter installations.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e⭐ KEY FEATURES\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e🔋 Massive 620Ah LiFePO4 Capacity\u003c\/span\u003e\u003cbr\u003eProvides exceptionally high energy storage for extended off-grid travel, caravans, motorhomes, canopy systems and remote-power applications.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e⚡ 380A Continuous Discharge\u003c\/span\u003e\u003cbr\u003eHigh-current capability supports demanding 12V equipment and appropriately designed high-power inverter systems.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e📏 Low-Profile 150mm Battery Body\u003c\/span\u003e\u003cbr\u003ePackages 620Ah of lithium capacity into a battery body approximately 150mm thick, helping reduce the installation depth required for such a large battery bank.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e🔌 314A Recommended Charge Current\u003c\/span\u003e\u003cbr\u003eThe supplied technical specification lists a recommended charge current of 314A, allowing the battery to accept substantial charging power when paired with a suitably engineered charging system.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e🛡️ Aluminium Enclosure\u003c\/span\u003e\u003cbr\u003eThe custom aluminium housing is designed to reduce the battery footprint while protecting the cells and internal components.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e🧠 High-Current Heltech BMS\u003c\/span\u003e\u003cbr\u003eThe battery management system helps safeguard against overheating and over-discharge while managing battery operation.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e⚖️ Active Cell Balancing\u003c\/span\u003e\u003cbr\u003eThe integrated active balancer helps manage individual cells and maintain consistent battery performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e🔋 Premium A-Grade Automotive LiFePO4 Cells\u003c\/span\u003e\u003cbr\u003eBuilt using premium lithium iron phosphate cells for demanding mobile and off-grid electrical systems.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e🚙 Designed for Rugged Touring Conditions\u003c\/span\u003e\u003cbr\u003eInternal components are insulated against vibration to help protect the battery during corrugated-road and remote-area travel.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e🧪 Individually Bench Tested\u003c\/span\u003e\u003cbr\u003eEach battery is individually bench tested before supply as part of Custom Lithium's quality-control process.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e🇦🇺 Australian Made\u003c\/span\u003e\u003cbr\u003eBuilt in Brisbane and supplied as a certified Australian Made product.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #80ff00;\"\u003e🛡️ 7 Year Warranty\u003c\/span\u003e\u003cbr\u003eBacked by a full 7-year manufacturer warranty.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e📐 620AH WITHOUT A CONVENTIONAL MULTI-BATTERY FOOTPRINT\u003c\/h3\u003e\n\u003cp\u003eThe Ultra Slim range is designed to package substantial lithium capacity into a relatively low-profile enclosure.\u003c\/p\u003e\n\u003cp\u003eSuitable applications can include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-capacity 4WD canopy systems\u003c\/li\u003e\n\u003cli\u003eCaravans \u0026amp; camper trailers\u003c\/li\u003e\n\u003cli\u003eMotorhomes \u0026amp; RVs\u003c\/li\u003e\n\u003cli\u003eCustom vehicle storage systems\u003c\/li\u003e\n\u003cli\u003eMobile trade \u0026amp; remote-work setups\u003c\/li\u003e\n\u003cli\u003eHigh-demand off-grid installations\u003c\/li\u003e\n\u003cli\u003eSystems requiring extended operation between charging opportunities\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe battery body measures approximately \u003cstrong\u003e610mm L × 405mm H × 150mm W\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe supplied overall dimensions are \u003cstrong\u003e645mm L × 475mm H × 160mm W\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e🚐 BUILT FOR SERIOUS OFF-GRID POWER\u003c\/h3\u003e\n\u003cp\u003eWith 620Ah of lithium capacity and substantial continuous-current capability, the Next Generation Ultra Slim can support compatible equipment including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e❄️ 12V fridges \u0026amp; freezers\u003c\/li\u003e\n\u003cli\u003e💡 Vehicle \u0026amp; camp lighting\u003c\/li\u003e\n\u003cli\u003e📡 Starlink\u003c\/li\u003e\n\u003cli\u003e💻 Computers \u0026amp; electronics\u003c\/li\u003e\n\u003cli\u003e📷 Cameras \u0026amp; charging equipment\u003c\/li\u003e\n\u003cli\u003e💨 Air compressors\u003c\/li\u003e\n\u003cli\u003e🛠️ Tools \u0026amp; battery chargers\u003c\/li\u003e\n\u003cli\u003e☕ Coffee machines through a suitable inverter\u003c\/li\u003e\n\u003cli\u003e🍳 Induction cooking through an appropriately engineered inverter system\u003c\/li\u003e\n\u003cli\u003e🔌 Compatible 240V appliances through a suitable inverter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e🔋 PREMIUM LiFePO4 CELL TECHNOLOGY\u003c\/h3\u003e\n\u003cp\u003eThe battery is constructed using \u003cstrong\u003eA-grade automotive LiFePO4 cells\u003c\/strong\u003e combined with a high-current Heltech BMS and active cell balancing.\u003c\/p\u003e\n\u003cp\u003eThe supplied product information describes LiFePO4 as suitable for demanding mobile and off-grid applications where safety, reliability and consistent electrical performance are important.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e📊 TECHNICAL SPECIFICATIONS\u003c\/h3\u003e\n\u003cp\u003eCapacity: 620Ah\u003c\/p\u003e\n\u003cp\u003eNominal Voltage: 12.8V\u003c\/p\u003e\n\u003cp\u003eContinuous Discharge: 380A\u003c\/p\u003e\n\u003cp\u003eRecommended Charge Current: 314A\u003c\/p\u003e\n\u003cp\u003eCharge Voltage: 14.2–14.6V\u003c\/p\u003e\n\u003cp\u003eAbsorption \/ Float Voltage: 13.4–13.6V\u003c\/p\u003e\n\u003cp\u003eLow-Voltage Cut-Off: 10.5V\u003c\/p\u003e\n\u003cp\u003eOperating Temperature: 0°C to 60°C\u003c\/p\u003e\n\u003cp\u003eTerminals: M10\u003c\/p\u003e\n\u003cp\u003eBattery Dimensions: 610mm L × 405mm H × 150mm W\u003c\/p\u003e\n\u003cp\u003eOverall Dimensions: 645mm L × 475mm H × 160mm W\u003c\/p\u003e\n\u003cp\u003eWeight: Approx. 47.5kg\u003c\/p\u003e\n\u003cp\u003eBattery Chemistry: LiFePO4\u003c\/p\u003e\n\u003cp\u003eCells: Premium A-Grade Automotive LiFePO4\u003c\/p\u003e\n\u003cp\u003eBMS: Heltech High-Current BMS\u003c\/p\u003e\n\u003cp\u003eCell Balancing: Active Balancer\u003c\/p\u003e\n\u003cp\u003eEnclosure: Aluminium\u003c\/p\u003e\n\u003cp\u003eWarranty: 7 Years\u003c\/p\u003e\n\u003cp\u003eManufactured: Brisbane, Australia\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e⚡ 380A CONTINUOUS DISCHARGE\u003c\/h3\u003e\n\u003cp\u003eThe stated \u003cstrong\u003e380A continuous discharge capability\u003c\/strong\u003e provides substantial current availability for demanding auxiliary power systems.\u003c\/p\u003e\n\u003cp\u003eThis allows the 620Ah battery to form part of an appropriately designed high-power inverter installation, provided the inverter, cabling, fuse protection, isolation and battery connections are correctly engineered.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e🔌 HIGH-CAPACITY CHARGING\u003c\/h3\u003e\n\u003cp\u003eThe supplied specifications list a recommended charge current of up to \u003cstrong\u003e314A\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRecommended Charge Current: 314A\u003c\/li\u003e\n\u003cli\u003eBulk \/ Charge Voltage: 14.2–14.6V\u003c\/li\u003e\n\u003cli\u003eAbsorption \/ Float Voltage: 13.4–13.6V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLower-output compatible charging equipment can also be used, although recharge times will increase accordingly.\u003c\/p\u003e\n\u003cp\u003eFor a battery bank of this capacity, an effective charging strategy may incorporate multiple charging sources such as vehicle DC-DC charging, solar and 240V mains charging.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e🇦🇺 AUSTRALIAN MADE\u003c\/h3\u003e\n\u003cp\u003eCustom Lithium states that the Next Generation Ultra Slim battery is \u003cstrong\u003eAustralian Made certified\u003c\/strong\u003e and manufactured in Brisbane.\u003c\/p\u003e\n\u003cp\u003eEach battery is individually bench tested before supply and backed by a 7-year manufacturer warranty.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003e🛠️ INSTALLATION CONSIDERATIONS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUse the stated overall dimensions when checking available installation space\u003c\/li\u003e\n\u003cli\u003eBattery body thickness is approximately 150mm\u003c\/li\u003e\n\u003cli\u003eOverall stated thickness is approximately 160mm\u003c\/li\u003e\n\u003cli\u003eAllow suitable clearance for terminals, heavy-current cabling and service access\u003c\/li\u003e\n\u003cli\u003eCorrect structural support is essential due to the battery's 47.5kg weight\u003c\/li\u003e\n\u003cli\u003eCorrect cable sizing, fuse protection and isolation are required\u003c\/li\u003e\n\u003cli\u003eProfessional installation by a qualified auto electrician is recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2 style=\"color: #dd1d1d;\"\u003e❓ QUICK FAQ\u003c\/h2\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eHow thick is the Next Generation Ultra Slim 620Ah battery?\u003c\/h3\u003e\n\u003cp\u003eThe supplied specifications list the battery body as approximately \u003cstrong\u003e150mm thick\u003c\/strong\u003e, with an overall stated thickness of approximately \u003cstrong\u003e160mm\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eWhat type of system is the 620Ah model intended for?\u003c\/h3\u003e\n\u003cp\u003eIt is aimed at high-capacity caravan, motorhome, 4WD canopy and off-grid installations requiring substantial stored energy and strong continuous-current capability.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eCan the 620Ah battery run a large inverter?\u003c\/h3\u003e\n\u003cp\u003eIt can form part of an appropriately engineered high-power inverter system. The supplied continuous discharge rating is 380A, but inverter suitability depends on actual DC current demand, surge requirements, cable sizing, fuse protection and BMS limitations.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eCan it power induction cooking?\u003c\/h3\u003e\n\u003cp\u003ePotentially, when paired with a suitable inverter and correctly engineered DC installation. Actual suitability depends on the induction cooker's power demand, inverter efficiency and other simultaneous electrical loads.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eWhat charging profile should I use?\u003c\/h3\u003e\n\u003cp\u003eThe supplied specifications call for a \u003cstrong\u003e14.2–14.6V charge voltage\u003c\/strong\u003e and \u003cstrong\u003e13.4–13.6V absorption\/float voltage\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 style=\"color: #00aaff;\"\u003eWhat charge current is recommended?\u003c\/h3\u003e\n\u003cp\u003eThe supplied technical specification lists a recommended charge current of \u003cstrong\u003e314A\u003c\/strong\u003e. Lower-output compatible charging systems can be used but will increase recharge time.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 style=\"color: #dd1d1d;\"\u003e🔋 620AH OF SERIOUS OFF-GRID ENERGY STORAGE\u003c\/h2\u003e\n\u003cp\u003eWith 620Ah of LiFePO4 capacity, 380A continuous discharge capability, active balancing and a low-profile aluminium enclosure, the Custom Lithium Next Generation Ultra Slim 620Ah is built for large off-grid systems requiring substantial energy storage without relying on multiple conventional battery cases.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum capacity. High-current performance. Australian made.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"CUSTOM LITHIUM","offers":[{"title":"Default Title","offer_id":67981773013240,"sku":"CL-USV3-620","price":5390.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/9230\/4632\/files\/V3US100Ah_5364a102-f945-4883-85bf-34afa63e031a.webp?v=1793833118","url":"https:\/\/www.homeof12volt.com.au\/products\/custom-lithium-next-generation-ultra-slim-620ah-lifepo4-battery","provider":"Home of 12 Volt Northern","version":"1.0","type":"link"}