... 5V 500mah Output : 5V 800mah Portable Mobile Charger Backup Battery for samsung Infuse i997 i9100 Galaxy S IIDetails:Portable battery to charge ... New, Retail PackagingCompatible with (Not Limited to): Micro USB Devices For Samsung: a187, a197, Eternity II a597, Evergreen a667, Strive a687, ... Rugby II a847, Mythic a897, Flight II a927, Conquer 4G D600, Epic 4G D700, Epic 4G Touch D710, Gem i100, Exec ...