Quote:
Originally Posted by ism minerals
There are some rv panels with built in 120v to 12v dc power supplies.
Is there any advantage to this instead of using the house batteries and a charger/inverter?
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What will be your source of 120v power for the RV panel? Shore power (I'm guessing)?
Ideally every bus has a way to power its 12v and 120v circuits through either battery or shore power. That way, if you're parked and have access to a receptacle you can power the bus without having to run the house battery.
If that's your intention, your design challenge is to pick one of those RV panels that is able to be able to switch from battery power to shore power seamlessly, and not only are there a variety of ways to do this, there are a variety of devices that handle some or all of that switching.
And if you intend to power your 120v residential circuits in the bus from the battery, you'll need an inverter that takes battery power, converts it to residential AC, and integrates with the RV Panel.
Others here might have more experience with specific brands or recommended 'pairings'.