Galaxy S4 Battery : Stalion&reg; Strength Replacement 2600mAh Li-Ion Battery for Samsung Galaxy S4 [24-Month Warranty] 2X Batteries + Stalion&reg; Power Travel Battery Charger + USB Port (NON NFC Capable*) Replacement Battery Model B600BU, EB-B600BUB, and or EB-B600BUBESTA for Samsung Galaxy S4 S IV i9500, I9505, M919 (T-Mobile), I545 (Verizon), I337 (AT&T), L720 (Sprint), R970 (U.S. Cellular/MetroPCS), Not for Galaxy S4 Active Built-in IC chip prevents overcharging. Guaranteed to fit your phone. This battery does have built in NFC Antenna. Battery Specs. Capacity: 2600mAh. Battery type: Lithium Ion, Voltage: 3.8V Li-ion. Battery that is designed specifically for your Samsung Galaxy S4. CE and ROHS certified.