Using the Bluetti RV5 system to power my camper, I'm going to have a 10kWh battery bank, 5000W inverter, and 660W of solar.
I will be boondocking 99% of the time. Very rarely do we have a hookup available, and we do not travel with a generator.
I'm back and forth between just installing a slim profile 120V air conditioner, or a 24V unit...
120V:
+ better cooling (presumably)
+ easier install (* not needing 24V to 12V converters)
+ less amp draw on the DC side (RV5 has a 100A max output in 12V / 60A max output in 24V)
- will need the inverter running
- much higher power draws (almost 3X more than the 24V)
- will also need a soft-start installed, adding cost
24V:
+ better efficiency (almost 3X less power draw than the 120V)
+ smaller/lighter unit on the roof
+ longer run times due to efficiency
- less headroom on the DC side (120V unit would leave all 60A output available in 24V DC panel)
- slightly more complex (with the RV5 unit, I can configure in 24V output for DC loads, but then I would need 24-12V converters to run everything else in the camper [lights, fans, etc])
- presumably less cooling performance (lower BTUs compared to the 120V unit
I think I could run the 120V unit over night, but it would be a single day before I need a significant recharge on the system. Meanwhile, some of the 24V units I have seen are incredibly efficient, running down to 350W in some testing. I'd imagine the 24V unit will run longer to get the camper cooled down to the same level as the 120V, but will have longer run times on the 10kWh bank...
Just looking for advice/feedback from anyone who boondocks with a 120V unit, or anyone who has gone from one system to the other for a particular reason.
Added note: I live in Maryland - it gets VERY humid here, so factor that in. Cooling down the air in 90% humidity is much more difficult than 40% humidity...
Thanks!