... months 9.Use for Camera,PSP,IPAD,MP3,Cell 8000mAh Power Bank:Battery:1.Model:Li-Polymer batteries2.Capacity:8000mAh3.Recharge ... time: about 8 hrs4.Operating Temperature:-20--50 degree8000mAh emergency power bank:1.Dimension:23*90*90mm2.Color:White3.Weight:80gPorduct ... :Use for Camera,PSP,Ipad,MP3,Cell Phone 8000mAh Two USB Power Bank for Iphone 4S and other smartphones