MFI Apple Approved (TECH 007) Very High Quality 2000 mAh External Battery Pack Portable Power | Mfi Certified Made for Iphone 4,4s. (At&t Sprint and Verizon) | FREE Standard Shipping ,Best quality in the market !!!!!
High quality super slim battery case for iphone 4/4s.You will never be out of charge .Specifications.Capacity : 2000mAh 5V/1AWeight : 75gCell type :Li-polymer batteryDimension : 120x61x14(mm)Output voltage :5VCycle life 500 times.Function & character:Super SlimData sync functionSmart power management