A T480s is a dream come true laptop with Thunderbolt 3!
Bluetooth not auto enabling on boot in bluetooth plug-ins settings:
Hope this will be turned off by default soon.
Battery options may be set by entering BIOS too. Search for Energy Management Settings or Active Thermal Management -> Battery in BIOS
It's possible on Dell laptops via BIOS or Dell Power Manager, so it may be additionally set on Thinkpads too.
With Thinkpads you may try to use TLP and use setcharge command for Thinkpads:
pappl