China Lithium Battery Manufacturer Custom HY 232357 3.7V 210mAh Rechargeable Curved Li-Polymer Battery

No.

Item

General Parameter

Remark

1

Rated Capacity

Typical

220mAh

Standard discharge（0.2C C₅A) after Standard charge

Minimum

210mAh

2

Nominal Voltage

3.7V

Mean Operation Voltage

3

Voltage at end of

Discharge

2.75V

Discharge Cut-off Voltage

4

Charging Voltage

4.2±0.03V

5

Internal Impedance

≤280mΩ

Internal resistance measured at AC 1KH_Z after 50% charge

The measure must uses the new batteries that within one week after shipment and cycles no more than 5 times

6

Standard charge

Constant Current 0.2C₅A

Constant Voltage 4.2V

0.01 C₅A cut-off

Charge time : Approx 6h

7

Standard discharge

Constant current 0.2 C₅A

end voltage 2.75V

8

Fast charge

Constant Current 0.5C₅A

Constant Voltage 4.2V

0.01 C₅A cut-off

Charge time : Approx 3.5h