Andina Marie wrote:
Mike is talking about equalization, Larry, not desulfating - they are
two entirely different things. And batteries that use a desulfator
still need to be equalized.

There is no need to disconnect electronics or 12 volt equipment during
equalization or desulfation. Unless it is a garage based manufacturer
all 12 volt equipment is designed to withstand those voltages. ...

I must admit that when I equalize I turn everything off. However,
thinking about this made me wonder if its not a bad idea to leave
certain items connected. For instance, if the radar or GPS is going
to fail from 16V, I'd rather it happen at the dock than at sea. It is
quite easy for a regulator wire to come loose and allow the voltage to
run up to 17 or more. Anything that would failure during
equalization shouldn't be on a boat.

And I've had a desulphator for the 7 years I've had the boat. I don't
know if it works, but the batteries lasted 6 years and I only
equalized once. They probably would have gone 1 or 2 seasons more if
they hadn't been abused one winter.

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