Seidio BACY32SSEPT-BK Innocell 3200mAh Extended Life Battery for Samsung Epic 4G Touch- Retail Packaging - Black Adds 0.9cm to your Samsung Epic 4G Touch and comes with a black replacement door to accommodate the larger size of the battery Keeps your phone charged and ready to go, even with heavy phone and data usage Capacity: 3200mAh To obtain the full capacity of your battery, leave the battery/your phone on the charger for an additional 2-3 hours after the charging indicator turns green or the battery status shows full. For use with: Samsung Epic 4G Touch