Battery Voltage : 3.7v

max Voltage : 4.25v +-0.5v

Max Output Current : 20C

Minimum Voltage :2.8v

Rechargeable Time : more than 500 times

Black Wire = Ground (-)

Red Wire = Positive(+)

Size: 40mm x 20mm x 8mm (+- 3mm)

Weight : 20g (+-2g)