How many of us are there? Owners of Dodge based RV's?

It's a important gauge in motorhomes, especially the lead-acid batteries dislike charge level lower than 60%.

IMHO the high-tech 12V batteries are (yet) to expensive for the added value (weight, high% use of the capaticy...). I bought a classic lead-acid 100Ah batterie for 75 $ and if the batterie dies after 3 years it wasn't an expensive investement.

My plan is to buy this panel. Nice look for an old motorhome, battery charge level gauge and some switches (want to install a refrigerator-fan).