Manufacturer’s Description

The Battery BacPac works as both a charger for your spare HD HERO & HD HERO2 batteries and plugs into the back of both camera models 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.

The Specs

Additional Specifications
Cordless PowerTool Type battery
Bedroom Pillow Type Travel
Quick Glance

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