GoPro Portable Power Pack (Dual 1.5amp USB Ports) (GoPro Official Accessory) Lightweight, portable design that easily fits in your pocket for charging of your GoPro any time, anywhere 6000mAh capacity charges GoPro batteries 4x. Powerful 1.5 amp USB ports fully recharge two Go Pros in 2 hours Endurance power when tethered to camera that's Ideal for extended video, time lapse and night lapse shooting Dual USB Ports and Battery Status Indicator