On Wed, 20 Jul 2016 18:54:34 -0500, Califbill
wrote:



My boat has had low or dead batteries when coming out of storage the last
couple years. Had time after the Monday boating, and had to rewrite some
bilge pump stuff. Corrosion. The ACR draws 16.5 milliamperes when just
monitoring the batteries. So adding a switch to the ground line on the
relay.

===

Best bet is to remove one of the battery terminals or hook up a
battery maintainer. I've had good luck with this one:

http://www.westmarine.com/buy/west-marine--bc2wm-battery-charger-maintainer--14982037