RVOUSA_iPhone 4 4G Li-ion Polymer 3.7V Battery 1420mAh 616-0513 616-0520 616-0521 100% Brand New & High Quality iPhone 4 4G Li-ion Polymer 3.7V Battery 1420mAh 616-0520 Compatible: iPhone 4 GSM CDMA Only APN: 616-0513, APN: 616-0520, APN: 616-0521 Compatible Ships from Chicago