power tag doesn't have user guidance. Lacking user guidance, it can be (mis) used for anything related to power without checking for suitable tags available, as is the case
Going through 52 questions in the tag and appropriately adding tags, I found the questions , mostly related to power-on, power-options, charging, battery-lfe. As such there is no value in duplicating under power and the fact that no user guidance has been approved since inception adds to the argument that it is redundant
I discussed this with mods in chat and seek consensus for:
Edit: If you have reasons to retain the tag, please present them