Built with premium grade A cells, RAVPower® batteries will last for over 500 cycles. With an IC chip to safeguard against overcharging and allow NFC functionality on your phone, you couldn"t ask for a better replacement. NFC (Near Field Communication): a set of standards for establishing communication between smart devices. The function is applied broadly in contactless transactions (such as Google Wallet), data exchange, simpler Wi-Fi setup, and more. Attention: - To reach the best performance, please full charge and discharge your new battery for 4 to 5 times. - If the battery is fully discharged may take few minutes for the indicator to illuminate. - Use only the specified battery charger to charge the battery. - Keep the battery dry and away from moist and corrosive materials. - Re-charge the battery once every three months when it is not in use. Compatible Models: Samsung Galaxy NOTE 3 III, SM-N9000, SM-N9005, Verizon SM-N900V, T-Mobile SM-N900T, AT&T SM-N900A, Sprint SM-N900P Package includes: - 1* RC-B800BE cell phone battery