Li-Ion Polymer OEM Replacement Battery (1650mAh) for Samsung Galaxy Attain 4G The Samsung Original 1650mAh standard battery is designed to offer factory standard stand-by and tal Manufactured by Samsung to meet and exceed the high standards of quality and performance Battery Capacity/Type: 1650mAh Lithium Ion Original SKU #: EB-L1A2GBABSTD Compatible with: Samsung Galaxy S II (AT&T)