Solar trickle charger
So I'm using a Battery Minder 20 watt solar panel to keep the batteries topped off. I'm tying to figure out if it's working correctly. It's partly cloudy today and I'm reading 13.25 volts from the sol...
Forum Discussion
Depending on the parasitic loads that your rig has...I doubt that 20W will keep things charged on anything but perfectly sunny days in winter. The angle of the sun is too shallow and modern rigs have items consuming 12V more so than 10-20 years ago. I would first check the fluid levels in the batteries and disconnect them from loads if able. I don't want to call a 20W panel useless...but most folks who toss a tiny panel on their dash find out fast its just not enough. I like to bring my batts indoors and put on a Deltran Battery Tender as needed in winter.
