iPod Classic 5th Gen battery options | MacRumors Forums
Various Batteries and Thin Cases - 5th Gen modding : r/ipod
Portable Battery Charger Backup Adapter Power Bank Compatible With Ipod Video Photo Nano 6th Gen 4th Gen 3rd Gen 2nd Gen 1st Gen Mini Classic, iPhone 4S 4 3GS 3G 2G, iPad
Designer Habitat – Portable External iPhone Battery Charger Mobile/Portable Travel Power Pack 1900mAh black for ALL iPhone 4S 4 3G 3, iPod Touch, iPod Classic (all generations) Nano and iPads | Amazon
iPod Video High Capacity Replacement 3000mAh Battery 5th/5.5 Generation 5G