IBESTWIN 10000 mAh Samsung Note 4 Battery Galaxy Note 4 Battery With NFC + Back TPU Covers Extended Battery Replacement Compatible with: galaxy note 4 (all versions), N910, N910U 4G LTE, N910V(Verizon), N910T(T-Mobile), N910A(AT&T), N910P(Sprint). Designed to offer you 3 times as much power with same usage as your original battery. Built-in IC chip prevents overcharging. with NFC functionality. guaranteed to fit your phone Grade A cells ensure longer battery life (500+ cycles) and high-speed, efficient charging. 180 days IBESTWIN guarantee warranty with amazon 30 days full refund guarantee; 24 hours / 7 days a week support.