New Retail Packing: 1650mAh Samsung Battery EB-F1A2GBU For Samsung Galaxy S II S2 AT&T i777 i9100 GT-i9100T - (Made in Korea) Brand New in Original Samsung Retail Packing Samsung Galaxy S2 ATTi777 Replacement Battery Compatible With: Samsung Galaxy S2 II i777 (AT&T S2 or International Model i9100 S2) &gt;&gt;&gt;&gt;&gt;Not Compatible with Boost S2 D700/Sprint S2D710 Epic /T-Mobile S2 T989/AT& Skyrocket i727&lt;&lt;&lt;&lt;&lt; 3.7V-Li-ion Battery 6.11 Wh in Samsung Retail Packing (Made in Korea)