You'll need a substantial upgrade if you're going to run an AC. The first thing you'll need is an additional 2K inverter wired specifically for the AC. You're rig should be pre-wired in the basement.
You're going to need at least 600 amp hours to run for long periods. You'll also need a beefy solar array to charge those depleted lithium's. I'd say probably 1200 watts.
- Inverter prep
- 2K inverter
- Three 200 amp hour lithium's
- An upgraded Victron controller. To handle 600 AH
- Four more 200 watt panels
You can probably find higher wattage panels, reducing the amount but I don't know if the pre-wiring on the roof can handle higher wattage. Someone else may know
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Tony & Donna
2022 Montana HC, 295RL, Solar Flex 400, Onan 3600 LPG, 2K inverter, 200AH Lithium. 2020 GMC Denali 2500 6.6 Duramax, Demco 21K Auto Slide