Without scratch,distortion,contamination and leakage
2.General Capacity :
Test Methods and Condition
After standard charging, rest battery for 10min, then discharging at 0.2C to voltage 3.0 X 5V , recording the discharging time.
Constant current 0.5C charge to 4.20 X 5V , then constant voltage charge to current deines to 0.01C,rest 10min, constant current 0.5C discharge to 3.0 x 5V ,rest 10 min ,Repeat than 80% of the Initial Capacitiesof the capcity Higher than 80% of the Initial Cappcities of the Cells
Capablity of keeping electricity
20±5℃,After standard charging rest the battery 28days, discharging at 0.2C to voltage to voltage 3.0 x 5V , recording the discahrging time .