BatteryBox external charger

How to charge 8 iPhones without a power outlet: BatteryBox

A company called BatteryBox will roll out an external power supply this fall that holds enough electricity to power a Macbook Air for 12 hours along with any USB powered mobile device. A BatteryBox is about the size of a deck of cards and will cost $139 when it ships this fall, although pre-orders are now being accepted.
Real Time Analytics