Seidio Innocell 1750mAh Slim Extended Battery for use with LG Thrill 4G, Optimus 3D, LG G2X and Optimus 2X Fits in existing space so no replacement door is needed Made from the highest quality Japanese cells Capacity: 1750mAh 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: LG Thrill 4G or Optimus 3D