The Battery BacPac for HERO2, HERO3, HERO3+, and HERO4 is an auxiliary lithium-ion battery pack to extend the battery life of GoPro HERO action cameras. It attaches externally, mounting flush with the back of the camera. A Type B Mini USB port on the BacPac means it can be recharged using any GoPro USB charger, a computer, or just about any other type of USB charger. It features Backdoors for the Standard and Skeleton housings to accommodate the extra space the BacPac takes up.
- Integrated lithium-ion battery extends GoPro HERO battery life
- LCD window indicates remaining capacity when in operation and charge status when charging
- LED status light indicates when camera is recording
- USB charging