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Charge voltage varies a little depending on
different battery chemistry. My Panasonic battery came with instructions
to charge between 14.5 and 14.9 volts. If your battery didn't come with
instructions, you might check the manufacturer's web page. However, I
don't think there is anything magic about these numbers. Our batteries are
rarely at the optimum temperature anyway, so a few tenths high or low isn't
cause for worry.
I'd suggest adding an overvoltage disconnect to
protect your electronic equipment from high voltage and then set up your engine
monitor to alert you to low voltage, which will happen within a minute or two
after the overvoltage module disconnects the alternator.
I can't say if 16 volt excursions damaged your
electronics. Many components now are set up to operate on 12 and
24 volt systems; those would take 16 volts without trouble.
But in our experimental world, it's hard to say how robust every component
is. Install an overvoltage disconnect and you won't need to worry
about it.
Unless your batteries specify it, I would think
that a constant charge at 16 volts would tend to boil off the water, which is
not good.
Dennis
Legacy
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