for iPhone portable charger

Features:

*Perfect solution to charge your 3G or 3GS  iphone4  when out and about with this portable power station. *High capacilty Li-ion battery. *you are from the worry of power shortage on your iPhone. *Unique design, very simple and convenient to carry and use on your iPhone. *you can still use all of the iPhone's functions with it while it's powering your device!

*Weight: 66.5g *Real Capacity: 1700mAh-3700MAh Li-ion built in cell battery *Cell type:Li  battery Lithium-ion *Dimension:113×66×21(mm) *Output voltage:5V *Output current:1A max *Cycle life: 500times *Automatic test functions built into the jacket to ensure the Li-ion battery charges to full capacity (with LED indicator) *Data transmission capable, this means the iPhone can connect with your computer while in the jacket!