The ?6 to 7 Meters Elelectric Buses LiFePO4 Battery Pack from OptimumNano Energy is a EV Battery with Battery Capacity 140000 mAh, Nominal Voltage 540 V, Charging Voltage 638 V, Charging Current 180 A, Discharging Voltage 2.5 to 2.8 V. More details for ?6 to 7 Meters Elelectric Buses LiFePO4 Battery Pack can be seen below.