2023 w E1 Volta package, this runs your air conditioner for up to 8 hours off the lithium batteries. The batteries quickly charge from the second alternator. No propane / all electric coach We used this for 2 trips sleeping in it for 7 nights. New condition and stored indoors when not being used. Tinted driver and passenger windows, timberline diesel fuel heater and endless hot water. Rear wheel drive. Power window shades. Air ride suspension. Automatic power sliding door and entry step.