[ParameterModelNNTN4497Battery: Li-ion
BatteryVoltage: DC
7.4VC hargelimit: DC
8.4VC apacity: 2250mAhProduct weight Approximately 126.5 g 4.46 ozProduct size121x59x28mm[Attention]Do not use at high temperatures. It is abandoned in the fire. The battery is disassembled. Original charger is used for charging. [Warranty]3 months warranty provided only through "WINDINGTOK Electronics Co., Ltd". [SATISFACTION SERVICE] If you have any questions about our products, please feel free to contact us. We will reply within 24 hours on working days. We promise to serve you.