Apple TV remote not working
Apple TV remote only works while hooked up to the charging cable it does not when I unplug from charging
When the battery of the remote itself appears to be the source of issues, then Apple has a service program for that, at about 50% off compared to regular replacement when out of warranty.
Apple TV Repair - Official Apple Support
- Battery service for your remote
Apple out-of-warranty battery pricing - Apple Support
Learn how to preserve battery life - Apple Support
When charging, always use an undamaged and genuine MFi certified Lightning-to-USB cable. Some knock-off cables may not be up to par and can damage the battery in the process.