Bath-time!
By Dermot Tynan, over 10 years ago.
There are four power supplies on board the boat. The main voltage rail is 12 volts, give or take. The solar panels feed into that via two separate DC to DC converters. Ideally, they would provide a 13.7v "float" voltage to the main rail. That voltage is the ideal float voltage for a sealed lead-acid battery at 20 degrees C.
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