IBESTWIN 6000 mAh LG G4 Battery Cell Phone Extended Battery Replacement + 3 Back Covers Package contents: 1 x cell phone battery, 3 x battery cover(as the picture). Compatible with: LG G4 (All carriers). Designed to offer you about twice as much power with same usage as your original battery. Grade A cells ensure longer battery life(500+ cycles) and high-speed, efficient charging. Warranty:12 months.