VIV-APM-7572 Portable charger/power bank for GoPro 4

The Vivitar Action Power Pack keeps your camera charged to always be ready for the perfect shot. The 4000 mAh power pack can recharge your camera battery in under two hours, and with its USB port can even charge your other devices. You can tether it directly to your camera for extended shooting times. The compact design makes it a must have for your outdoor adventures.