If you care about battery life, there's only one iPhone you should buy
For Iphone 5 Battery Case 4200mah Backup Cover Smart Charge For Iphone 5 Battery Case 5s Se Battery Case Bank Gold - Battery Charger Cases - AliExpress
Samsung's Galaxy S4 beats Apple's iPhone 5S for battery power | Daily Mail Online
My iPhone 5 battery life is awful. What can I or should I do about it? : r/ iphone
11 ways to improve iPhone battery life with iOS 11 - CNET
5 ways to conserve battery life on your iPhone, and get the most out of a single charge | Business Insider India
Battery for use with the iPhone 5C/5S
iPhone 5s battery capacity 10 percent up on iPhone 5, 5c up 5 percent - 9to5Mac
Battery Life - The iPhone 5 Review
iOS 7 and Verizon iPhone 5 battery issues - Apple Community