Feature: - This extended battery is higher than original， it is 4100mAh capacity.
- Integrated microchip inside prevents overcharging and prolong battery life.
- Come with special battery cover， made of PC material， very durable. It's smooth surface， give you a good hand feeling.
- Battery type: Lithium-ion
- Battery capacity: 4100mAh
- Back case material: PC
- Voltage: 3.7V Battery feature: Rechargeble Battery Capacity: 4001mAh-5000mAh Package weight: 0.095 kg
Package Size(L x W x H): 16.00 x 10.00 x 4.00 cm / 6.3 x 3.94 x 1.57 inches Package Contents: 1 x Battery， 1 x Battery Back Cover