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Bert van den Berg Bert van den Berg is offline
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First recorded activity by BoatBanter: Sep 2006
Posts: 16
Default How do you charge your windlass battery?

Hi All,

I originally considered running heavy cables from the house bank to the
windlass but there was no cost or weight savings. Our thoughts were that
having a separate 110 amp hour windlass battery gave us some redundancy
should we ever screw up and deplete the main 660 amp-hour house bank (which
is also used to start the engine). I've done this once and believe me, the
trouble of lugging the windlass battery from the forepeak to the engine
compartment taught me to be more careful.

The Voltage Sensitive Relay sold by several shops are intended to direct all
the alternator charge current to a start battery until the start battery
reaches a certain voltage then it parallels the house bank to the start
battery and continues to charge both banks. My situation is slightly
different. I also have two 90 watts solar panels with a solar charge
regulator connected to the house bank and would like the windlass battery to
get some charge whenever the house bank voltage exceeds the windlass battery
voltage and disconnect the two when the house bank voltage is less than the
windlass battery voltage.

Still, it's good to hear from others how they handle this situation.

Cheers,

Bert

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