sailingbythelee OP , 9 days ago I think you've hit on the key difference between home and boat use: the variable voltage. My battery varies between about 13.3V and about 11.2V depending on its charge state. I'll look into these.
I think you've hit on the key difference between home and boat use: the variable voltage. My battery varies between about 13.3V and about 11.2V depending on its charge state. I'll look into these.