Welcome to the club, so to speak!
On the solar, we've been considering this as well for our NP 383FWS, but
mostly to recharge the batteries, w/ minimal direct power usage.
Most what we've read has steered us toward RENOGY
Renogy 400W Monocrystalline Solar RV Kit with 30A Charger Controller
Depending on you specific usage and application, there are many options, however this works directly with the prefab on the JAYCOs.
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S&T
2019 Entegra Insignia 37MB
2022 JEEP Wrangler 4xe (chase and touring vehicle)
(2019 NP 383FKWS)
(2019 RAM 3500 DRW Big Horn)