3.7V li Poly/ Li-po/ Rechargeable Battery
Nominal voltage: 3.7V
Rated capacity: 900mAh to 1900mAh
Cycle life: Greater than or equal to 500 times
Charging voltage: 4.2V
Maximum charging current: 1C mA
Maximum discharging current: 2C mA
Discharging end voltage: 2.75V
Charging temperature: 0 to 45 degrees Celsius

Discharging temperature: -20 to 60 degrees Celsius
Storage temperature: -20 to 45 oC
Dimension: Thickness: 3.8 to 8.0mm;
Width: 34mm and height: 66mm
Thickness could be adjusted while width and height keep the same
Applications: Bluetooth, Mobile Phones, PDA/ Notebook, Aircraft, Electric Toys, Electric Car, Power Tools, Wireless communications, and other Portable Electronic Devices.