Just got an iPod classic 5th gen 30gb. When I plugged it in, this came up. So, I decided to change the battery to a different one, and I still get this
How To Change The Battery On An ipod Classic 5th Generation - YouTube
Had to change this nugget's battery. It's still my favorite. : r/ipod
iFixit: New iPod Touch battery is kind-of-sort-of easier to replace | Ars Technica