We left the RV and was gone for 5 days. It was plugged in to AC, nothing on on the dc side. The house batteries were completely dead. Turned the freedom 458 to charge and they appeared to be taking a ...
You said "nothing on the 12 volt side" fact is that this is nearly never true, There are loads on the 12 volt side even with the system in "Store", "off" or "Disconnected" mode (All the same thing) the only way to be SURE of no load is to lift the NEGATIVE lead(s) off the battery.
And even then they self discharge... Slowly.
My preference is to keep it pluggeed in and let my Progressive Dynamics Charge Wizard do its thing.
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