Manufacturer’s Description

This is the cordless cell phone backup battery that stores in a wallet and provides an additional hour of power. Only 1/4 thick, the device fits inside a wallet's credit card slot, providing power to any cell phone with a micro USB port when traditional power sources are unavailable. The portable power hub's lithium-ion battery extends a cell phone's battery life by 25% before requiring a recharge itself and it connects to devices with its 1 1/2-long fold-out micro USB cord (compatible with most Android and Blackberry smartphones or traditional cell phones). Recharges in two hours via the included USB adapter. Black. 3 1/4 W x 2 H x 1/4 D. (1 oz.)

The Specs

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