What bigmac said.
Hadn't pulled the batteries out of my X2 installed in 2009 until last year, to put them in the truck before heading to AK and leaving the boat pickled for 2 years, gonna be more like 3 now.
They've started the wife's Cummins faithfully now all winter this winter.
Battery tenders are right up there with canned beer on the list of inventions.
'06 X2 MCX
"I understand why some people may not want to do this the way I have recommended but I can't understand the death grip some people have on a toilet plunger with a hose fitting." -JimN