Intriguing. Would for sure worry about killing the battery. Probably disconnect if it were me. Or have a spare charger on trips.How about the Honda tent made for the CRV
Tent
Honda Part No.: 08Z04-SCV-110B
https://www.hondapartsnow.com/genuine/honda~hatch~tent~08z04-scv-110b.html?Make=Honda&Model=CR-V&Year=2019&Submodel=&Filter=(bt=3%2c3497;et=2%2c4)