Battery for iPhone 4G Number:BW0119056 1)Specification: 1.Capacity:2200mAh. 2.Cell type:Li polymer battery. 3.Input:5V/700mA 5V/1000mA. 4.Output:5V/500mA. 5.Charging time:around 2.5hrs. 6.Cycle life:500 times. 7.Dimensions:62*60*16 (mm). 8.Weight:59g. 9.Colors:black. 2)Features: 1.Perfect solution to charge your phone when out with this portable power station. 2.High capacity Li-Polymer battery unbinds you from the worry of power shortage of your phone. 3.Unique holder design,very simple and convenient to carry and use your phone when charging, easy to access to the phone's function. 4.Use original cable or charger to charge our product 5.Rechargeable Lithium-Ion battery,up to more than 500 circles,after more than 500 circles,the power can still remain 82%. 6. Intellectual protection chip:protection for overcharge,overdischarge,overload and short circuit protection. 7.4 LED display charge state. 8.Compatibility with apple iPhone 4,apple iPhone 3GS,iPhone 3G,apple iPhone 2G,iPod touch,iPod nano,iPod video,iPod mini,iPod classic,iPod photo. Other:1.This product exported Mexico, the United States, Poland,Canada,England,and other countries.2.We guarantee each product will be checked.3.If there are bad products, we will promptly pay compensation to customers without any charge.4. We also sell a lot of similar electronic products, varieties, good quality.