GoPro BacPac Battery
Battery BacPac attaches to your GoPro camera to increase battery life. It's perfect for long-duration time-lapse photo sessions, endurance motorsports racing or any application where you need extended battery life
Extends your GoPro camera's battery life Seamlessly attaches to the back of your GoPro LCD window provides battery level or charge status LED displays recording status Charge using the GoPro Auto or Wall Charger, other USB charger or a computer