Triple your GoPro shooting time with the Xtreme Action Series 1500mAh Extended Backdoor Battery Pack from Bower. Compatible with the GoPro HERO3, 3+, and 4, this battery pack is a detachable external unit that connects neatly to the back of your GoPro. A standard protective backdoor and a waterproof backdoor are included with the battery. The protective cover will come in useful in wildlife locations, and the waterproof cover is capable of being used for scuba ping and similar applications. The battery features a battery life indicator and LED lights that display your recording status. A USB to mini-USB charging cable is also included.