The Battery Bac Pac works as both a charger for your spare HD HERO batteries & 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 Attaches to the back of the 1080p HD HERO camera, allowing for up to 2X* extended record times Plugs into any USB (Universal Serial Bus) charging source to charge your spare HD HERO batteries. Charges 960p & 1080p HD HERO camera batteries Built in LED lights indicate battery power status
Includes:: 1 Battery Bac Pac, 1 Li-Ion Battery, 1 Waterproof Door for HD HERO Housing, 1 Skeleton Door for HD HERO Housing, 1 USB (Universal Serial Bus) Cable May require firmware upgrade. The Battery Bac Pac is NOT compatible with the HD HERO 960