I am having no success finding a solar charge controller for my sailboat. The problem being that I only want a little supplemental charging, say 300 to 400 watts of solar panels, but my battery voltage is pretty high- (20) CALB 180AH cells is 64 volts nominal to be charged at 70 to max 72 volts.To get the PV panel voltage I'd prefer a single panel, but no more than two in series and I cannot find panels of sufficient voltage to allow this. I will need three at a minimum. I do not want to turn…See More
Strictly Sail Pacific is the premier sailboat show on the west coast. Lots of new boats, new gear, and interesting seminars. Several companies will be there to show electric propulsion technology - so check it out!
Some of you have, or are considering, the very light flexible solar panels with a plastic base that are made in China. These work very well for me, and I have 15 of these panels. But, they may not last as long as glass covered panels. My first set of four panels has now been continually exposed for 4 years, and is showing serious degradation of the outer plastic coating. This occurred fairly quickly only in the last 6 months. …See More