How to Replace the Battery in an iPod or iPod Classic (5th, 6th and 7th Gen) - YouTube
Amazon.com: Estry 3.7V Battery Replacement for I POD Classic 120GB I POD Classic 160GB I POD Video 60G MICROSOFTJS8-00003 Zune 1089 PN 616-0232 696-0106 B5LAA B6DAH Microsoft G71C0006Z110 Battery : Electronics
Replacement batteries for Apple's iPod Classic, iPhone, Touch, Mini, Nano, 1st Gen, 2nd Gen, 3rd Gen, 4th Gen, and Video | iToolBatteryKit