... charger case for iphone4 1for travel or emergency 2.Iphone/Ipad, blackbarry, Moto,MP3/4,etc 3.Unique design solar charger case for ... bulit-in batteryOver charging and over discharging productionFunction: Powerful solution for camping over 90% small digital electronics( I-phone, blackbarry, Sumsung ... are available, But you need to pay for the sample cost and freight cost. samples will be sent out ...