Specification of 7.2V 5400mAh China lithium ion battery Item Rating Note 3.1 Capacity Typical 5.8Ah Minimum 5.4Ah 3.2 Nominal Voltage Average 7.2V 3.3 AC Impedance Resistance â?¤180m�© 3.4 Discharge Cut-off Voltage 5V 3.5 Charge Current 2.0A Standard Charge 3.6 Max. Charge Voltage 8.4V 3.7 Charge Time 6h 3.8 Max. Charge Current 2.7A 3.9 Max. Discharge Current 8.0A(t