Saw these ones for T-Mobile version
QCell 3650mAh T-Mobile Extended Battery / 1980mAh Slim Battery
http://www.amazon.com/QCell-T-Mobil...5JSO/ref=sr_1_1?ie=UTF8&qid=1328119391&sr=8-1
http://www.amazon.com/QCell-Samsung...5KAQ/ref=sr_1_2?ie=UTF8&qid=1328119391&sr=8-2
wonder how well they do
QCell 3650mAh T-Mobile Extended Battery / 1980mAh Slim Battery
http://www.amazon.com/QCell-T-Mobil...5JSO/ref=sr_1_1?ie=UTF8&qid=1328119391&sr=8-1
http://www.amazon.com/QCell-Samsung...5KAQ/ref=sr_1_2?ie=UTF8&qid=1328119391&sr=8-2
wonder how well they do