The 540V 140Ah Lithium Ion Battery Pack from OptimumNano Energy is a EV Battery with Battery Capacity 140000 mAh, Nominal Voltage 540 V, Charging Voltage 613.2 V, Charging Current 180 A, Discharging Voltage 2.5 to 2.8 V. More details for 540V 140Ah Lithium Ion Battery Pack can be seen below.