The ?11 Meters Elelectric Buses LiFePO4 Battery Pack from OptimumNano Energy is a EV Battery with Battery Capacity 300000 mAh, Nominal Voltage 540 V, Charging Voltage 638 V, Charging Current 350 A, Discharging Voltage 2.5 to 2.8 V. More details for ?11 Meters Elelectric Buses LiFePO4 Battery Pack can be seen below.