The GoPro Battery BacPac attaches to the back of your GoPro camera and the camera's waterproof housing. The integrated rechargeable lithium-ion battery doubles the camera's normal battery life. It works great for time-lapse recording and other long duration applications where you may need more battery life.
Doubles the normal battery life of your GoPro camera
Compatible with GoPro cameras
Works with the GoPro HERO3+ only when using HERO3 197' housing
Integrated rechargeable lithium-ion battery