Replacement Battery Model APN: 616-0512?? 616-0513?? 616-0520?? 606-0521 for Apple iPhone 4 A1349 (AT&T)?? A1332 (Verizon).</br>Battery Specs. Capacity: 1420mAh. Battery type: Lithium Ion?? Voltage: 3.7V Li-ion. Duration: 5.25Wh</br>Tool Set Sold Separately.</br>Battery that is designed specifically for your Apple iPhone 4 (GSM & CDMA Versions). CE and ROHS certified.</br>Replacement for over charged internal batteries or dying battery cells.  Prolong your iPhone life with a Stalion replacement battery!</br></br>Product Description</br></br><p><b>Stalion?? Strength</b></p><p>Stalion Products offers a premium replacement lithium polymer ion battery that is designed specifically for your Apple iPhone 4 (4G). The equivalent specification of part number APN: 616-0512?? 616-0513?? 616-0520?? or 606-0521 battery is a quick fix