SP Gadgets Powerbar Duo for HERO3 Batteries

FEATURES:

• No matter where you are, you will always be able to charge your GoPro HERO3 and HERO3+ batteries with the PowerBar Duo
• When plugged to the mains you can charge 2 batteries and the battery in your camera at the same time
• On the road it doubles as a power bank with enough juice for another 2 batteries or any other USB port device
• Only compatable with HERO3 and HERO3+ batteries