Li-ion polymer battery

Model：SP1254
Capacity：Typical (57mAh) Minimum (55mAh) Energy (0.20Wh)
Nominal Voltage：3.7V
Dimension：12.2 mm Max
Thickness：6.0 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.