Features:
3.7V 300mAh lipo battery; enough capacity and safe to use.
Easy to plug in and take out.
High quality and portable to carry.
Over charge for protection for every charging port.
Compatible with FQ777 FQ17W RC quadcopter.
Features:
Rechargeable battery with high capacity of 2600mAh.
With protection circuit board, guards against over-charge, over-discharge and over-current.
Improved voltage stability due to low internal resistance.
Suit for flashlight, headlight and other devices.