Product Review

This extended battery attaches to the back of your 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. You can charge with any USB charger from a wall, computer, car, or other USB source.

Compatible with:
HERO4 (Black or Silver)
HERO3+ (Black or Silver)
HERO3 (Black, Silver, or White)