Tepow 2600mAh Li-ion Rechargeable Cell Phone Replacement Battery for Samsung Galaxy S4 SIV I9500, I9505, M919 (T- Mobile), I545 (Verizon), I337 (AT&T), L720 (Sprint), R970 (U.S. Cellular) Compatible with all versions of Samsung Galaxy S4 (At&t, Sprint, T-Mobile, Verizon & US Cellular). Voltage: 3.8V. Capacity: 2600mAh. Over-Charging, Over-Discharging, Over-Heating, Short-Circuit Protection to assure safety under all circumstances. CE and ROHS certified. Package Contents: 1 x cell phone battery. 18 Months Warranty, No Hassle Money Back Guarantee.