The brunton resync 3000 power pack allows for quick and easy recharging in emergency situations the compact device features usb output and an integrated 5 watt solar panel fully weatherproof and shock proof the brunton resync 3000 is a vital peice of kit that will extend your time away from a mains charge that bit longer the low profile design of the phone battery pack allows for easy carrying in your pocket with its 21a output guaranteeing a quick recharge on your phone tablet or an