{"product_id":"baintech-extreme-300ah-12-8v-lithium-battery-with-250a-bms-bluetooth","title":"Baintech Extreme 300Ah 12.8V Lithium Battery with 250A BMS \u0026 Bluetooth","description":"\u003cp\u003eThe Baintech Extreme 300Ah 12.8V Lithium Battery delivers high-capacity LiFePO₄ energy storage for the most demanding off-grid power systems. With a 250A maximum discharge current and a robust 250A BMS, it handles heavy continuous loads with confidence, while built-in Bluetooth connectivity lets you monitor state of charge, voltage and battery health from your smartphone or tablet — including a full BMS reset function via the app. The battery carries an IP67 waterproof rating and full IEC 62619 safety accreditation, giving you a battery engineered to perform in real-world Australian conditions.\u003c\/p\u003e\u003cp\u003ePurpose-built for caravans, camper trailers, 4WDs and touring setups that need reliable, extended power away from the grid, the Extreme 300Ah suits everything from running a full caravan appliance load overnight to powering a serious camp kitchen or medical equipment on remote tracks. Its 345 × 190 × 245 mm footprint fits standard battery compartments, and at a recommended charge current of 150A it replenishes quickly from solar, DC–DC chargers or mains — making it an ideal drop-in upgrade to AGM or standard lithium setups where higher capacity and smarter monitoring matter most.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e300Ah LiFePO₄ capacity at 12.8V nominal voltage for extended off-grid energy storage\u003c\/li\u003e\n\u003cli\u003e250A maximum discharge current via integrated 250A BMS for high-draw applications\u003c\/li\u003e\n\u003cli\u003eBuilt-in Bluetooth monitoring — view SOC, voltage and health; reset BMS via smartphone app\u003c\/li\u003e\n\u003cli\u003eIP67 waterproof and dustproof rating for reliable operation in harsh outdoor environments\u003c\/li\u003e\n\u003cli\u003eIEC 62619 safety accreditation — internationally recognised lithium battery safety standard\u003c\/li\u003e\n\u003cli\u003eCC\/CV charging compatible; recommended charge current 150A, charge voltage 14.2–14.6V\u003c\/li\u003e\n\u003cli\u003eWide operating temperature range: −20°C to +60°C; charging range 0°C to +55°C\u003c\/li\u003e\n\u003cli\u003eCompact 345 × 190 × 245 mm enclosure and 26.5 kg — suits most caravan battery bays\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Baintech","offers":[{"title":"Default Title","offer_id":57365304148134,"sku":"BTEXTREME300","price":2679.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0466\/4688\/6566\/files\/20260430_BTEXTREMEB_300WhWEB-e1778731528703.png?v=1789283812","url":"https:\/\/campingaustralia.com.au\/products\/baintech-extreme-300ah-12-8v-lithium-battery-with-250a-bms-bluetooth","provider":"Camping Australia","version":"1.0","type":"link"}