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 review: Step by step: Controls, display, battery life
iPhone 5S – Performance and battery life Review | Trusted Reviews
Why does my iPhone 5s battery suddenly drop from 43% to 20% and then 10% suddenly? Is this battery to be replaced or is there something other malfunctioning? - Quora
Just noticed that's it's pretty easy to get a screenshot of a good battery life if you listen to music during 5,5 hours. iPhone 6S (battery capacity: 87%) : r/iphone
iPhone 5S battery life detailed | iMore
10 tricks for saving your phone's battery life | Mashable
10 Tips & Tricks for Better iPhone 5s Battery Life