Hello
crazyrobertt ,
If it is still not working, please consult the retailer first because you just bought it.
Based on your description, it is recommended that you try following the troubleshooting steps linked below.
[Phone] Troubleshooting - Abnormal charging | Official Support | ASUS GlobalIf you have followed all the steps to troubleshoot the battery issue, such as updating firmware, and it still exists, it may be caused by battery degradation, and it is recommended that you consult the retailer first because you just bought it. Or visit the ASUS Repair Center to have your device checked.
Please refer to the following link for further assistance.
Call Us | Official Support | ASUS Global
Thank you.