I leave a battery tender attached to my coach batteries whenever the coach is in storage. I leave the same unit attached to my van for the three months we are in FL.
Everything is always ready to go.
Life is a journey, not a destination.
2005 Georgetown 359ts
Bill & Virginia, Kentucky
Nights camped in 2011...78 , 2012...73,
Nights camped in 2013...123, 2014 ...101