Hi Branden McClain,
Thank you for reaching Microsoft Community.
Just to confirm; you have a Surface Slim Pen 2 and it is not charging on your Surface Slim Charger, correct?
Update for the firmware of the charging accessory of your Surface Slim Pen 2 is delivered only through Windows Updates. Kindly follow these steps below to do the firmware update: How to charge your Surface Slim Pen - Microsoft Support
- Connect your Surface Slim Pen charging accessory to your Surface.
- If you're using the Surface Slim Pen charger, connect it to the USB-A port on your Surface (if it has one).
- Place your pen in the charging area.
- Select Start> Settings> Windows Updates> Check for updates, then install any available updates.
- Keep your accessory connected until the update finishes. You might need to restart your PC.
See this page also for other details regarding charging Surface Slim Pen charging issues: Fix problems with charging Surface Slim Pen - Microsoft Support
Kind regards,
Marrion