Is that true? It's been sitting unused since November. I went in it the
other day and the lights worked so I know they still have a charge.

So...what's the deal? To plug or not to plug.....that is the question.

Hunter
Neglected 94 Sovereign

My policy is to not leave the trailer plugged in for several reasons.
is if you are not using it there is the possibility of overcharging, even at
a trickle rate. The clue to that one is whether you have to add water
often. Most I have looked at have the battery float voltage set at 13.8 volts.
Wisdom in the 2 way radio industry is to float back up batteries at only
13.2 volts to minimize water loss at unattended sites.

Reason 2 is that the Univolts ( as well as other 120 volt appliances) can be
damaged by power line surges caused by lightning. Yeah I know its winter,
but I hear thunder rumbling in the west here in Tn right now. The Univolts
used in the 68 through early 70 trailers were VERY prone to lightning damage.

If you have your trailer at home just plug it in for a few hours once every
month or two. As long as you have no hidden loads like 12 volt clocks or
remote control TV's the battery should stay up all winter.

All in all I don't see any reason to take the risk of damage while not
actually using the trailer.

3 unplugged Airstreams
Rick Davis 1602
54 Safari
69 Ambassador
70 Globetrotter
Amateur Radio K8DOC
NSS 14876