Magnetyze Mobile Battery - Non-Retail Packaging - Black 1800mAh Li-ion battery charges any smartphone - iPhone or Android - equipped with a Magnetyze case. Attaches directly to all Magnetyze cases with magnetic attachment. Nothing to plug or unplug -eliminates wear and tear on your phones connector. Slim, small size is perfect to keep in a purse or pocket. It is deal as an on-the-go backup power source. Can be recharged with any Magnetyze charger or with the included USB cord. The integrated micro USB port provides a second option for charging additional mobile devices. 1800mAh Li-ion battery charges any smartphone - iPhone or Android - equipped with a Magnetyze case. ^Attaches directly to all Magnetyze cases with magnetic attachment. Nothing to plug or unplug -eliminates wear and tear on your phones connector. ^Slim, small size is perfect to keep in a purse or pocket. It is deal as an on-the-go backup power source. ^Can be recharged with any Magnetyze charger or with the included USB cord. ^The integrated micro USB port provides a second option for charging additional mobile devices.