Dear Carson Le
Thanks for using Microsoft products and posting in the community.
Your Surface Slim Pen 2 is not charging issue, please try to troubleshoot it first according to the solution in the link: Fix problems with charging Surface Slim Pen - Microsoft Support
We've recently received multiple reports from Surface users experiencing this same issue. While we've exhausted all standard troubleshooting steps, the problem persists in some cases. For further assistance, we recommend contacting our Surface Chat Support team. They can help escalate your case and guide you through the reporting process while we work on a permanent resolution from Microsoft's end.
Contact Microsoft Online Support for further assistance:
- Use your personal Microsoft account (not your organization account) to access the following links: Contact - Microsoft Support
- Type Surface Slim Pen 2, press Enter, and click "Contact Support" at the bottom.
- Select Other Products – Other accessories, then click Confirm.
- You will see contact options for Chat support, please contact them during business hours.
Best Regards,
Darren-Ng | Microsoft Community Support Specialist