Apple's iPhone replacement batteries are reportedly in stock without delays - The Verge
How to: Check iPhone battery health, DIY replace, and speed up performance - 9to5Mac
The Simple Way to Replace an iPhone Battery
How to Know If You Should Replace Your iPhone Battery? – PITAKA
What does it mean when your iPhone's battery health says Service?
Will Apple's $29 Battery Replacement Actually Speed Up Your iPhone? Check Here « iOS & iPhone :: Gadget Hacks
When Should You Change Your iPhone Battery?
How long does it take to change the battery of an iPhone, how much does it cost, and is there a spare machine?Summary of battery replacement strategy-Mr. Crazy - iPhone Wired
iFixit drops the prices for its iPhone battery replacement kits to $29 or lower - GSMArena.com news
Apple is reneging on its promise to replace iPhone batteries at a discount claims BBC - PhoneArena