back in my beer drinking days I stored my extra beer in my fridge and then I got a beer tap. but I have always kept my TT's plugged in and the fridge running year round. never lost a fridge or a battery. to this day and 6 TT's later still have it plugged in and ready to go on a moments notice. this came in handy around here as they were burning the military gas bombs and one morning at 6 am the sirens went off. we were I think the only ones who scrambled and left town. turned out it was a false alarm but we were ready to go