The living spaces feature Kahrs’s Oak Johan wood flooring and custom maple cabinetry stained and painted in Benjamin Moore’s Swiss Coffee. A leather sofa lifts to reveal battery storage. Thanks to 200-watt solar panels, a 600aH lithium-ion battery bank, a charge controller, and a 2,500-watt inverter, the 1984 Airstream can go off-grid for three to five days.