Mr.Batt 1440mAh Replacement Battery with Repair Tools Kit for iPhone 5 Battery type: Li-Polymer, voltage: 4.35V, capacity: 1440mAh, power: 6.3Wh Compatible with iPhone 5 only (not for iPhone 5S or iPhone 5C) Same power as the original ones, 100% true capacity, CE certified and tested by manufacturer to match the OEM products Best replacement for the original battery with comparable standby and talk time 30 days money back guaranty and 1 year limited warranty