Battery Features:1. New generic Rechargeable Li-ion Battery2. Extra power for your digital video camera / camcorder3. High energy density, high recycle life, long life battery4. Rechargeable Li-ion battery with supper power cell technology Description of GOPRO Hero 3 BatteryVolts : 3.8VType : Li-ionColor : BlackCapacity : 1050mAh / 4.41Wh Dual USB Charger Features USB Dual Battery Charger for GoPro Hero 3 Camera-Compact Portable Design ,Convenient for travelers and business users -Compact battery charger is a handy companion for digital shooting-Charge your battery with any USB-enabled Notebook,PC,MAC.-2 battery Slot, you can charger 2 battery at same time-Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and - electronic shock-Smart LED indicator shows charging statusCompatible with GoPro Camera/Camcorder Model :GoPro HERO 3GoPro HERO HD Hero 3GoPro HERO 3 PLUSCompatible with GoPro Battery Part No.:AHDBT-201AHDBT-301AHDBT-302AHBBP-301ACARC-001AWALC-001