Sunsynk 5 Way Battery Cabinet Fully Loaded with BMS and 4 × 5.12kWh HV Batteries from SolarVoxGreen at £7099.99. This fully loaded Sunsynk battery storage system consists of a 5 Way Battery Cabinet, a mandatory integrated high-voltage BMS, and four 5.12kWh lithium iron phosphate (LiFePO₄) battery mo