... 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, ... (AT&T) i777, Captivate i897, Focus i917, Nexus S i9020, Omnia II i920, m220, m240, Factor m260, m320, m330, ...