Li-ion polymer battery
Capacity：Typical (420mAh) Minimum (400mAh) Energy (1.48Wh)
Max. discharge current：3000mA
Dimension：13.2 mm Max
Length：：32.0 mm Max
This size will be swelling when high temperature storage or operation in high temperature.
There shall be no such defect as scratch, crack, rust, leakage, which may affect Commercial value of battery.