Samsung Galaxy S II Galaxy S2 GT-I910 Black 2600mAh Replacement Battery: BatteryClerk.com
NEW Samsung Galaxy S II GT-I91003.7V Li-ion 6.11Wh Battery - Walmart.com
Samsung Galaxy S II Replacement Battery BLI-1257-1.2 - Cell Phone Batteries and Accessories - Watch Batteries - AA AAA batteries - Rechargeable Batteries - Discount Batteries - Shipped Free in US
Ciszean 1x 3500mah Eb-f1a2gbu Extended Battery + 2 Optional Color Cover For Samsung Galaxy S2 Ii I9100 Black Or White - Mobile Phone Batteries - AliExpress
Amazon.com: Samsung Battery for Samsung Galaxy S2 1850 mAh Model Number EB-L1D7IBA : Cell Phones & Accessories