Upgrading my iPod Video with a T H I C C 1950mAh battery (and other stuff) - YouTube
How to upgrade an iPod for 2018 with flash memory and a new battery - The Verge
iPod classic 160gb modded to 256gb with 2000mah battery and Bluetooth. Just waiting on a 3d printed back. All fits within a thin shell. Very happy with how it's come up. :
iPod Classic 5th Gen Battery Replacement | iMaster Repair
3000mah 'Thin Model' Extended Capacity Battery for Apple iPod Classic – Elite Obsolete Electronics
How to Replace Your Apple iPod Video 60gb Battery - YouTube
1 X 3000mah Ssd Hd Upgrade Battery For Ipod 5th Gen Video 30gb Ipod 6th Gen Classic 80gb 120gb 7th Gen 160gb + Repair Tools Kit - Mobile Phone Batteries - AliExpress
3rd party extended Battery guide – iFlash.xyz
LG 3800mAh Battery Upgrade replacement for iPod Classic 6 6.5 7 Video 5 5.5 Thin | eBay
Apple iPOD Classic 120GB iPOD Classic 160GB iPOD V Replacement Battery: BatteryClerk.com