Amazon.com: IBESTWIN 3.8V 1440mAh Replacement Battery for iPhone 5 A1428, A1429 and A1442 with Replacement Tool Kits, Adhesive Strip (Not for IP 5S or 5C)-3 Years Warranty : Cell Phones & Accessories
Apple iPhone 5s - Battery Life - AT&T
10% bigger battery in iPhone 5s to boost talk, LTE use times by 2 hours | AppleInsider