Click Here To Find Out More About: Qga Submitted by: Noahey Dotson Once Apple introduced the iPhone 4 on 24 June 2010 it additionally modified the Battery that was in prior iPhone models. The Battery in the iPhone 4 both has 16GB or 32 GB capacity. The iPhone 4 Battery Replacement unit is a 3.7V 1420 mAh Li-Polymer cell Battery. […]