[GRADE A BATTERY CELL]: 2900mAh 3.85V Li-ion battery replacement for Galaxy S4 .Manufactured and tested under strict quality control standards.High quality grade A++ battery cells ensure longer battery life (1000+ cycles) , high-speed, efficient charging.
[NEAR-FIELD-COMMUNICATION]: (NFC) Technology to communicate with other NFC tags
[COMPATIBLE MODELS]:Compatible for Samsung S4, NOTE4, G530, J710.
[ATTENTION]: Not compatible with Galaxy S4 Active or S4 Mini
[BUILD-IN SPECIAL MICROCHIP]: Prevent your Samsung Galaxy S4 battery Over-Charging, Over-Discharging, Over-Heating and Short-Circuiting, extended battery life