You could say this about having any electronic devices plugged in when you're not observing them. It's not practical. Do you have empirical evidence that keepi

You could say this about having any electronic devices plugged in when you're not observing them. It's not practical. Do you have empirical evidence that keeping battery powered devices on chargers has a high enough risk to be concerned? Anecdotes aren't evidence. I once had a UPS go bad and nearly melt down while I was sitting next to it. Should we not leave UPSes plugged in?