My Lenovo ThinkBook 14 G2 ARE (Ryzen 7 4700U) does exactly the same. Close the lid, wait two days, open the lid - the battery is drained about 10% and... Magic.
This is on Linux, and the only reason for reboot is if there is an updated kernel. I once postponed the reboot for more than 3 months.
This is on Linux, and the only reason for reboot is if there is an updated kernel. I once postponed the reboot for more than 3 months.