3500mAh Extended Battery with Battery Cover for Sp

3500mAh Extended Battery + Cover for HTC EVO 4G1.Item: mobile phone battery pack2.Adapt model: For HTC EVO 4G3.Normal capacity: 3500mah 4.Standard Voltage: 3.7V 5.Cell chemisty PCM: Li-ion battery6.Double ic with NTC PCB offer over-discharging, over- charging, over-currentand short-circuit protection, moresafeguard for using, long standby time, long talking. 7. Gilded connecter, better conductive properties, not easy torust.8. Safety and stable: Hi-tech lithium-ion battery, undergoes drop test, smash test and acupuncture test ensure no fire and explosion in breaking 9.A grade li-ion battery cell,high energy environmental protection battery,durable energy conservation,long standby time and long talking time10.Guarantee time: 1 year11.Working temp.: -15 - +50°C.For more information about our production,please don't hesitate to contact us! Welcome OEM/ODM!