The 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.

Purpose-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.

• 300Ah LiFePO₄ capacity at 12.8V nominal voltage for extended off-grid energy storage
• 250A maximum discharge current via integrated 250A BMS for high-draw applications
• Built-in Bluetooth monitoring — view SOC, voltage and health; reset BMS via smartphone app
• IP67 waterproof and dustproof rating for reliable operation in harsh outdoor environments
• IEC 62619 safety accreditation — internationally recognised lithium battery safety standard
• CC/CV charging compatible; recommended charge current 150A, charge voltage 14.2–14.6V
• Wide operating temperature range: −20°C to +60°C; charging range 0°C to +55°C
• Compact 345 × 190 × 245 mm enclosure and 26.5 kg — suits most caravan battery bays