MGU&reg; Replacement Battery for Apple iPhone 4 All Versions Compatible with A1349 A1332 Original Quality 1420mAh APN: 616-0520 616-0521 616-0513 with Tool Kit Premium quality - 1 Year Manufacturer Warranty Compatible with: ALL iPhone 4 Models - APN:616-0520, 616-0521, 616-0513 for Apple iPhone 4 A1349, A1322 (AT&T, Verizon, Sprint, T-Mobile, International Versions) *** Important: This will only for for iPhone 4 not iPhone 4s *** Capacity: 1420mAh. Battery type: Lithium Ion, Voltage: 3.7V Li-ion. Duration: 5.25Whr Youtube "How to video" included (Basic Technical Skills Required to replace battery) iPhone 4 Replacement Battery with Tool Kit