3600mAh Extended Battery + Black Battery Door for Samsung Galaxy S2 GT-i9100 (not for Sprint or T-Mobil) - Walmart.com
Craftmann Battery For Samsung Galaxy S Ii Gt-i9100 /i9100g/i9105/i9108/i9188/sgh-i929/galaxy R Gt-i9103/shv-e170s(eb-f1a2gbu) - Mobile Phone Batteries - AliExpress
Battery for Samsung Galaxy S2 GT-i9100 And GT-i9101 EB-F1A2GBU 1650 MAH | eBay
2 X replacement battery and 1 Wall USB Charger for Samsung Galaxy s2 II GT- I9100 723905662332 | eBay