Join Date: Jan 2003
Location: Maine Coast
Thanked 213 Times in 162 Posts
Rep Power: 16
Re: Solar charge controller question
I went to the boat yesterday to install the new controller. Following the advice Mainesail gave me, I checked the amp and volt output of the panels with the old controller before I removed it. it wasn't a very sunny day and the angle was getting low, but the old controller was putting out 1.3 amps and only 12.8 volts. We put in the new controller and saw a jump to 2 amps and 13.1 volts. It looks like the old controller might have been the problem after all. I left the panels charging my 160a house battery and will return in 2 weeks to see the charge state. If all is well, I hope the see the little blinking light that indicates a full battery on float charge.
Glad you found the issue. There are a LOT of suspect solar controllers out there and the market is akin to Snake Oil sales from the early days of pharmaceuticals........
-Maine Sail / CS-36T
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