Original Battery 4s for Apple iPhone 4S A1431, A1387, A1387 Mobile Battery with 6 Month Warranty and high Capacity Battery Backup.Carefully Check Your Phone Model and Purchase. (for iPhone 4s) : Amazon.in:
iPhone 4S Battery Replacement
Replacement batteries for Apple's iPod Classic, iPhone, Touch, Mini, Nano, 1st Gen, 2nd Gen, 3rd Gen, 4th Gen, and Video | iToolBatteryKit
Looking inside an iPhone 4/4S battery | Rip It Apart - Jason's electronics blog-thingy
How To Check If Your iPhone Battery is Original - Fix My Gadget
Apple 'Service' Alerts for DIY iPhone Battery Swaps Are a Blow Against Right to Repair | WIRED
iPhone 4S Battery (Original)
Photos of iPhone 5 Battery in Rear Shell, Compared to iPhone 4S Battery - MacRumors
Looking inside an iPhone 4/4S battery | Rip It Apart - Jason's electronics blog-thingy