The Battery BacPac works as both a charger for your spare HD HERO batteries and plugs into the back of the 1080p HD HERO camera to nearly double record times. Perfect for long duration time-lapse photo sessions, endurance motorsports racing or any application where you need up to 2X* the battery life. Fits Current HD HERO & HD HERO Wrist Housing when used with included backdoors. See photos at right. Battery BacPac Features
Attaches to the back of the 1080p HD HERO camera, allowing for up to 2X* extended record times
Plugs into any USB charging source to charge your spare HD HERO
batteries. Charges 960p and 1080p HD HERO camera batteries
Built in LED lights indicate battery power status

What’s Included:
1 Battery BacPac
1 Li-Ion Battery
1 Waterproof Door for HD HERO Housing
1 Skeleton Door for HD HERO Housing
1 USB Cable
Warranty: One Year