If you are plugged into shore power, the converter often fools the solar charger into thinking the batteries are fully charged when they're not.
If you are not plugged into shore power, my guess is that your batteries have been chronically undercharged and now only exhibit a fraction of their original capacity. Check your water level.
Either that, or you have a moderate but apparently hidden load on your inverter.
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1976 Newell Classic (Sold)
Home Base: Riverside, CA
If anyone needs my contact info private message me and I will send it to you.
-Joseph-
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