Looked at a lot of trailers in August of 2014 with the temp in the upper 90's to low 100's the only one we were in that was plugged in is the lite the day we did our walk thru.
That said it sits outside in the sun with just a 110 cord plugged to it to keep the battery charged.
2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." 2014 19 days camping 2015 17 days camping201620 days camping