My hybrid has never been without power. I keep it plugged in on a 20A circuit 365 days a year. I was told yesterday by a motorhome owner that it was not good to do it, although he did not give me any ...
I keep my 'C' and toad in a heating building I own. I have a quick disconnect on the house batteries and the engine batteries on the RV and toad. I have chargers on all the batteries. The chargers are designed to read the charge levels and automatically adjust to a trickle charge when the batteries are fully charged. I can't remember the brand, but I'll go look and post the brand and model here.