Quantity 1 Piece Color Black Material Leather + plastic Compatible Models Galaxy Note 2 / N7100 Battery Type Polymer lithium battery Capacity 4200 mAh Input Voltage 5 V Output Voltage 5 V Output Current 500 mA Features With intelligent switch extending battery life more safe and convenient. Others Standby time: >=300 hour; Talk time: 5 hour (3G network) / 10 hour (2G network); Surf the Internet time: 4.5 hour (3G network) / 7 hour (Wi-Fi); Music playing time: Over 25 hour; Video playing time: Over 6 hour; Charging time: 3~4 hour; Input voltage: 5V; Input current: 800mA Packing List 1 x Back case battery 1 x English user manual