RAVPower® - Reliable · Affordable · Value 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. Specifications: - Brand: RAVPower - Model: RC- EB-L1G6LLU - Type: Li-ion - Voltage: 3.8V - Capacity: 2250mAh - Certification: CE,ROHS - Warranty: 12 Months 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. - Keep the battery dry and away from moist and corrosive materials. - To conserve battery power, disable Bluetooth, Wi-Fi and GPS when not in use as well as any unnecessary notifications. (Please refer to battery"s instruction manual for more information). - Also, consider investing in an RAVPower® External Battery as a reliable backup for your power needs. Compatible Models: Samsung Galaxy S3, GT-I9300, T999(T-Mobile), I747(AT&T), I535(Verizon), R530(U.S. Cellular), L710(Sprint), Fits EB-L1G6LLU