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We have, on our 2018 LEII: 4-6v AGM batteries 2 Solar Panels (320w) ZS-30A Charge Controller 2000w Inverter Composting Toilet with 12v dc fan We know the solar panels charge the batteries through the controller. Does anything else help to charge them? On the charging side: When plugged into 30a 110v, does the AC system charge the batteries? When plugged into 15a 110v, does the AC system charge the batteries? (Like when running the generator when boondocking or using friends AC when driveway surfiing.) When plugged into the TV with 7 pin connector, does the TV DC supply help charge the batteries? In times of bad solar charging weather, how do I charge the batteries? Or is just the solar doing all of the battery charging? On the consumption side, what draws power from the batteries when plugged into: 30a 110v? 15a 110v? TV 7 pin with engine running? Today the tank monitor shows the batteries at 13.5v after a full day of bright sunlight. What are we supposed to avoid dropping the level below, in volts, to avoid damaging the batteries? Some part of me thinks the batteries should be charged and most demand be met by whatever external power supply you happen to be using (including solar). Wishful thinking? Cheers, Mark