Old-Biscuit wrote:
Constant drain/re-charging will cause corrosion on posts/terminals
Disconnect charging sources and check amp draw on battery then trace source.
Yup, If the battery's are being maintained correctly this should not be happening. It was more common in the old days before better battery maintainers.
More info needed. You have solar panels but, you are also hooked to shore power?? What type of shore power controller do you have? What type of solar panel controller do you have?
Do a lot of research on the internet to learn this sore of thing. It's not easy. I don't understand a lot of it myself.