Battery for Samsung Galaxy Note 4 Extended Battery, Perfine 6440mAh Battery Replacement for N910F N910H with 2 Back Covers(Black-Gold)[NFC/Google Wallet Capable] &hellip; (6440mAh) Compatible with: Galaxy Note 4, 6440mAh high quality brand new, long lasting extended battery. Grade A+ cells ensure longer battery life (500+ cycles) and high-speed charging,twice as much on capacity as the original one,slimmer ( 3.8 x 1.6 x 0.4 inches ) than other manufacturers extended battery Tested under strict quality control standards.CE and ROHS certified.Built-in IC chip,no overcharging and overheating Battery Type:Rechargeable Lithium-ion; Voltage: 3.85V. In The Box: 1 x Perfine 6440mAh extended battery for Samsung Galaxy Note 4, 2 x Back Covers(black-gold),1 x User Manual.