SUPEREX&reg; 2-Packs 1260mAh Li-ion Digital Camera Battery Replacement for GoPro HERO4 BT-401 with 2 Channel charger+USB Cable Includes 2PCS BT-401 aftermarket batteries +2 channel charger+USB charging cable 3.7V 1260mAh rechargeable lithium-ion battery. Battery compatible for GoPor HERO4 BT-401,HERO4 Black,Silver Maximum capacity and reliability, Recycle life up to 500 recycles. Built-in safety circuitry with overcurrent, overvoltage, overtemperature, short-circuit protection.