Specification of 10.8V 5.4Ah Lithium Ion Battery Pack Item Rating Note 3.1 Capacity Typical 8.7Ah Minimum 8.1Ah 3.2 Nominal Voltage Average 10.8V 3.3 AC Impedance Resistance ≤180mΩ 3.4 Discharge Cut-off Voltage 7.5V 3.5 Charge Current 2A Standard Charge 3.6 Max. Charge Voltage 12.6V 3.7 Charge Time 2.5h 3.8 Max. Charge Current 4A 3.9 Max. Discharge Current 8A 3.10 Weight Approx 0.35KG 3.11 Operating Temperature Charge 10~+45℃ Discharge -20~+60℃ 3.12 Storage Temperature less than 1 month -20~+50℃ Recommended storage temperature: 20℃,at the shipment state less than 3 months -20~+40℃ less than 12 months -20~+20℃ Application Ut instrument, Paut Flaw Detector Pile Dynamic Testing Instruments Electric products Pressure calibrator Industrial instrument