Camper AND truck batteries dead
So Ive been pretty proud of my recent solar upgrade to the camper, but haven't really had a good workout with it. Fun just knowing everyday the batteries are being topped off and floating due to sola...
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fitznj wrote:
I had the same thing happen to me - came back to the camper in the evening
and the batteries were < 10V even though the solar was hooked up and it was a sunny day. Never found the problem and it has not happened since.
I used a neighbor's generator to charge the camper batteries and they seemed okay for the rest of the trip BUT they did not seem to have the same capacity. I swapped them out 3 months later.
BTW - can a solar system work in "reverse" and drain the batteries?BTW - can a solar system work in "reverse" and drain the batteries?
Yes and no. Most solar arrays have what's called 'blocking diodes' that only current to pass one way, the right way but not all. One has to check the specifications to see if they ate installed...
I use a pair of battery terminal disconnects on my truck batteries when it sits over the winter so the parasitic loss from on board electronics don't kill the batteries.
