Originally Posted by Ohio_Danimal
Battery Tender is only used the last few days before restarting, as he's paranoid about having electrical devices plugged in while he is away.
I came home, after a particularly bad electrical storm. All my Tenders were fried. I, now, have them hooked into a surge protector and into a single 15A circuit. Hopefully, that'll take care of any unwanted goings-on.