California-based Polydrops has unveiled the P21X, a trailer focused on off-road capability and energy self-sufficiency. The model features independent axle-less suspension, ground clearance of about 38 cm, and a 1,300-watt solar array developed with Aptera. Electricity is stored in a 5 kWh lithium iron phosphate battery, with an optional 10 kWh battery. The trailer is approximately 6.4 meters long and weighs just under 950 kg. It can sleep up to four people and includes a kitchen with an induction cooktop and refrigerator, plus a concealed bathroom. Pricing in the US starts at $76,900, with initial production limited to small series.