Rolls VB12-314LFP | 12.8V 314Ah LiFePO4 Lithium Battery The Rolls VB12-314LFP is a high-capacity power solution featuring advanced Prismatic LiFePO4 cells. Designed by Rolls Battery Engineering, this unit is built for those who need reliable, long-term energy storage, offering an expected cycle life of 6,000 cycles at 80% Depth of Discharge. Equipped with an integrated hardware BMS and Bluetooth connectivity, you can monitor your battery's health in real-time via dedicated iOS and Android apps. Crucially for the UK climate, it includes integrated heating, allowing for charging and operation in low temperatures down to -20°C. Key Features Massive Capacity: Delivers 314Ah of nominal capacity and 4.02 kWh of total energy. Smart Technology: Integrated Bluetooth and BMS for independent charge and discharge protection. Cold Weather Performance: Features internal heating to ensure performance in freezing conditions. Rugged Design: Housed in a durable, maintenance-free ABS container with an IP65 rating. Safety First: Built-in protection against short-circuits, over-voltage, low-voltage, and over-temperature. Technical Specifications Specification Details Nominal Voltage 12.8 V Nominal Capacity 314 AH Total Energy 4.02 kWh Expected Cycle Life 6000 @ 80% DOD Max Cont. Charge Current 150 A Max Cont. Discharge Current 150 A Charge Voltage Range 14.2V - 14.6V Series Connection 4 Units Max (Up to 48V) Parallel Connection 4 Units Max Physical Dimensions Weight: 31.5 kg (69.4 lbs) Length: 384 mm (15.12") Width: 194 mm (7.64") Height: 248 mm (9.76") Terminal Type: M8 (Stainless bolts and washers included) Operating Temperatures Charge Range: -20°C to 50°C (-4°F to 122°F) Discharge Range: -20°C to 55°C (-4°F to 131°F) Storage Range: -5°C to 45°C (23°F to 113°F)
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