The SOK Battery Built-in heater and Bluetooth, Best for RV or Marine 280Ah - SK12V280H delivers long-lasting, reliable power with advanced safety features, making it an ideal choice for RV and marine setups. Encased in a durable aluminum box and engineered with a detachable cover, this battery includes a smart BMS, Bluetooth 4.0 connectivity, and a built-in heater pad for cold-weather performance down to -4°F. Its lithium iron phosphate (LiFePO₄) chemistry ensures a life span of 8000 to 12000 cycles, maintenance-free operation, and safe charging/discharging even under extreme conditions. The V8 BMS also allows easy monitoring via a smartphone app for both Android and iPhone.

Features:

• 280Ah 12V LiFePO₄ deep cycle battery
• Built-in heater pad for cold climates (as low as -4°F)
• Bluetooth 4.0 connectivity for smartphone monitoring (ABC-BMS app)
• 7-year warranty and maintenance-free use
• Replaceable BMS and cells with detachable cover
• 120A max charge / 200A continuous discharge current
• Auto-balancing cells with comprehensive BMS protections
• Supports parallel connection for higher capacity
• Rugged aluminum casing ideal for RV or marine environments