IBESTWIN Samsung Galaxy Note 4 10000mah Extended Battery+Black TPU Protection Case+NFC[NFC/Google Wallet Compatible] Fit All Version Galaxy Note 4 Offer Extra 200% Battery Power for Samsung Galaxy Note 4 10000mAh extended battery specially design for heavy user HIGH QUALITY GRADE A BATTERY CELL. All our battery is made of grade A battery cells, which has the same capacity with original battery. Build-in microchip to prevent over-charging, over-discharging and over-heating, which will help lengthen battery life STRICT QUALITY-CONTROL. Battery is CE and ROHS certified. The life of battery is up to 500 charge cycles, long battery life COMPATIBLE WITH: Samsung galaxy note 4 [Note4 SM-N910T(T-Mobile), SM-N910R4(US.Cellular), SM-N910A(AT&T), SM-N910P(Sprint), SM-910T(T-Mobile), SM-N910V(Version), SM-N910(International Version)], Not for Samsung galaxy note edge, note 4 edge and galaxy note 4 Duos Package come with 1 x IBEXTWIN Galaxy Note 4 10000mAh extended battery, 1 x full edge protection case, 1 x manual. If you are not 100% satisfied with your galaxy note 4 battery, contact us for more help