3000mAh Extended Battery + Cover For Samsung Galaxy S i90001.Item:mobile phone battery pack2.Model:Samsung Galaxy S i90003.Normal capacity: 3000mAh 4.Standard Voltage: 3.7V 5.Cell chemisty PCM: Li-ion battery6.DoubleIC 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 to rust.8. Safety and stable: Hi-tech lithium-ion battery, undergoes drop test,smash test and acupuncture test to 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: 1year11. Working temp.: -15 - +50°CBattery made by low-temperature injection molding process, long standby time, long talking.For more information about our production,pleasedon't hesitateto contact us! Welcome OEM/ODM!