power pack specificationstandby time: upto 450 hoursinput 5V--0.5AOutput 5v-0.8Acapacity 2000mahDimension 126*63*16mmWeight 55gCharging time 4.5hours
Talk time up to 5 hours on 3G, upto 10 hours on 2G
internet use up to 4.5 hours on 3G, upto 7 hours on Wi-fi
Audio play upto 28 hoursVideo play upto 7 hours
offers you the convenience of a fully protective, hard-shelll case with virtually twice the battery life of the iphone alone. ultra-thin, light-weight, low-profile design.
1.totally cover and protect your iphone 4 from slipping2.Thinnest and lightest(55kg)3.Specially designed camera hole to eliminate flash glare4.Quick charge(5V 0.5A)-(5V-1A). Same as the original power adaptor5.Soft cover-easy to push the on-off button of your ipgone 4
1900MA backup Power Station for iPhone 4 with case