{"product_id":"rb300-lifepo4-battery-gr-8d-12v-300ah-0-3c","title":"RB300 LiFePO4 Battery Gr 8D 12V 300Ah 0.3C","description":"\u003ch2\u003eRELiON RB300 LiFePO4 Battery 12V 300Ah Group 8D — Large-Format Lithium Power for Marine, Solar \u0026amp; Commercial Applications\u003c\/h2\u003e\u003cp\u003eThe RELiON RB300 is a Group 8D 12V 300Ah (3,840Wh) LiFePO4 (lithium iron phosphate) battery engineered for large-format energy storage applications requiring maximum capacity in a standard 8D footprint. At 3,840Wh of usable energy and a 0.3C continuous discharge rate, it is purpose-built for high-capacity marine house banks, large off-grid solar systems, commercial vehicle auxiliary power, and industrial standby applications where a direct 8D drop-in lithium upgrade is required.\u003c\/p\u003e\u003cp\u003eCompared to an equivalent Group 8D AGM battery, the RB300 delivers significantly more usable energy (100% DoD vs. ~50% for AGM), longer cycle life (2000+ cycles vs. 300–500 for AGM), and dramatically less weight per usable kWh. Backed by an industry-leading \u003cstrong\u003e36-month full warranty with 10-year prorated coverage\u003c\/strong\u003e from RELiON.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V \/ 300Ah \/ 3,840Wh\u003c\/strong\u003e — maximum capacity Group 8D lithium cell for large-format energy storage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroup 8D form factor\u003c\/strong\u003e — direct drop-in lithium replacement for standard 8D battery positions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiFePO4 chemistry\u003c\/strong\u003e — safest lithium chemistry; no thermal runaway risk; 2000+ cycle life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.3C continuous discharge rate\u003c\/strong\u003e — 90A continuous discharge for sustained high-draw applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% usable depth of discharge (DoD)\u003c\/strong\u003e — full 300Ah available vs. ~150Ah usable from equivalent AGM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated BMS\u003c\/strong\u003e — protects against overcharge, over-discharge, short circuit, and temperature extremes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbsorption voltage: 14.2–14.6V \/ Float voltage: 13.5V\u003c\/strong\u003e — for proper charging system configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e36-month full warranty \/ 10-year prorated\u003c\/strong\u003e — industry-leading coverage from RELiON\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVoltage: 12V (nominal)\u003c\/li\u003e\n\u003cli\u003eCapacity: 300Ah\u003c\/li\u003e\n\u003cli\u003eEnergy: 3,840Wh\u003c\/li\u003e\n\u003cli\u003eDischarge Rate: 0.3C (90A continuous)\u003c\/li\u003e\n\u003cli\u003eChemistry: LiFePO4 (Lithium Iron Phosphate)\u003c\/li\u003e\n\u003cli\u003eGroup Size: 8D\u003c\/li\u003e\n\u003cli\u003eAbsorption Voltage: 14.2–14.6V\u003c\/li\u003e\n\u003cli\u003eFloat Voltage: 13.5V\u003c\/li\u003e\n\u003cli\u003eDimensions: 20.6\" x 10.5\" x 8.7\" (522 x 267 x 220 mm)\u003c\/li\u003e\n\u003cli\u003eWeight: 34.36 kg\u003c\/li\u003e\n\u003cli\u003eColour: Blue\u003c\/li\u003e\n\u003cli\u003ePart\/Model Number: RB300\u003c\/li\u003e\n\u003cli\u003eBrand: RELiON\u003c\/li\u003e\n\u003cli\u003eWarranty: 36 months full \/ 10 years prorated\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIdeal For\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLarge marine house battery banks and liveaboard vessels\u003c\/li\u003e\n\u003cli\u003eOff-grid and solar energy storage systems requiring high capacity\u003c\/li\u003e\n\u003cli\u003eCommercial vehicle and truck auxiliary power units (APUs)\u003c\/li\u003e\n\u003cli\u003eRV and motorhome large house battery banks\u003c\/li\u003e\n\u003cli\u003eIndustrial and telecom standby power applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eShips from Thunder Battery — Canada's trusted energy storage dealer.\u003c\/strong\u003e\u003c\/p\u003e","brand":"TCED","offers":[{"title":"Default Title","offer_id":49299332366579,"sku":"10-121-20012","price":5729.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1581\/3505\/files\/1012120012_fbe5cd62-0fee-4ecb-8b3a-87d2a19f2cdc.jpg?v=1782447734","url":"https:\/\/www.lakeheadink.ca\/products\/rb300-lifepo4-battery-gr-8d-12v-300ah-0-3c","provider":"Lakehead Inkjet \u0026 Toner","version":"1.0","type":"link"}