The Battery BacPac attaches to your GoPro camera to double battery life*. Perfect for long duration time-lapse photo sessions, endurance motorsports racing or any application where you need up to 2X* the battery life. Compatible with all GoPro cameras.
•Battery BacPac with integrated rechargeable Li-ion Battery, rear recording light and LCD displayrn•Standard + Skelton backdoor for use with waterhousingrn•USB cable rn•Protective Case
$79.95 each