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Jim numero uno

wrote:
On Sat, 15 Aug 2009 20:10:27 -0600, "SteveB"
wrote:

I want one of those smart trickle chargers so when I bring my boat back in,
I can just plug in a two prong fitting and have my batteries (2 12v.) topped
off and kept topped off. IIRC, these are an amp or less, and are about $35.
I want the kind that cannot overcharge. Am I in the ballpark? Brand name
suggestions.

Steve

PS: Sorry to interrupt the important stuff with a boat question.

It is really not a good idea to try to charge 2 batteries at the same
time. One may end up getting charged and the other goes flat.
You could do some kind of trick with a plug in timer and a relay that
alternates between them 12 hours each.

There are chargers with multiple outputs. The technology has come a long
way in the past several years.