Can an iPod battery be replaced?

Perhaps contact an authorized Apple Service provider in your area

and ask if they still repair replace iPod batteries; some models are

harder to get service on. Some with hard drives are very obsolete.

iPod Repair & Service - Apple Support

//support.apple.com/ipod/repair

Others may see battery replacement; you'd pay a fee

for those no longer under an AppleCare+ agreement.

more search results:

https://duckduckgo.com/?t=ftsa&q=apple+authorized+service+provider+ipod+battery+replacement&ia=web