QCell GoPro 2x Battery 1100mAh and Charger Kit for AHDBT-001 and GoPro HD HERO, HERO2 Cameras GoPro Hero Battery Pack + Travel Charger + Car Charger Combo! For GoPro Hero Camera series! Always have backup power with you! FREE Universal Charger Included! DYNAStop overcharge IC stopper built in! Voltage: 3.7V / Premium Quality and Best Material used!