Hello and welcome to Apple Support Communities, MrsMe2!
We understand one side of your Powerbeats Pro set is not charging. We'd be happy to provide information to help you address this.
Try the steps suggested here: Charge your Powerbeats Pro
"If you can't charge your Powerbeats Pro
If you're having trouble charging your Powerbeats Pro, here are some things you can try.
- Make sure that the earbuds are seated properly in the case.
- Use another power source or a different cable.
- Clean the earbuds, then make sure that they're completely dry.
- Reset your device.
If you still need help, contact Apple Support."
Have a great day!