It sounds like you're experiencing some issues with your MacBook Pro 13. Here are some suggestions you can try to troubleshoot the problem:
1. Reset the SMC (System Management Controller): Resetting the SMC can often resolve power-related issues.
2. Check for software issues: It's possible that a software problem is causing the unexpected shutdowns. Try booting your MacBook Pro into Safe Mode by holding down the Shift key while starting up.
3. Try a different user account: Create a new user account and see if the issue persists when logging in with the new account. This can help determine if the problem is specific to your user account or more widespread.
4. Boot into Recovery Mode: Restart your MacBook Pro and hold down the Command (⌘) and R keys simultaneously to boot into Recovery Mode. From there, you can run Disk Utility to check and repair any potential disk errors.
5. Raise an issue to Apple: If the issue persists after trying the above steps, it's recommended to contact Apple Support or make an appointment at an Apple Store or authorized service provider.
Remember to back up your important data regularly to avoid potential data loss during troubleshooting or repairs.