1420mAh Li-ion Battery Replacement for iPhone 4 – iReplaceParts.com
iPhone 4 and 4S users reporting dramatically decreased battery life - The Verge
How to replace the iPhone 4 battery | iMore
iPhone 4 Battery - ETrade Supply
Buy Original Phone Battery For iPhone 4 iPhone4 iPhone 4G Replacement Battery With Free Tools 1420mAh at affordable prices — free shipping, real reviews with photos — Joom
Apple Batteries: Apple 616-0513 - Apple iPhone 4 4G OEM Li-Ion Replacement Battery - CPU Medics
Battery for iPhone 4 Apple 4G Gen A1332 616-0521 616-0513 LIS1445APPC 616-0520 GB-S10-423482-0100 - Newegg.com