Amazon.com: 12V 2A DC Converter Car Cigarette Lighter Socket Power Adapter, AC 100V-240V to DC 12V 2A 24W Power Converter Transformer US Wall Plug Adapter - NOT for CAR Vacuum Cleaner :
Cleaners claim the plug outlet melted their vacuum cleaner plug : r/AskElectricians
Sales of inefficient vacuum cleaners banned - BBC News
AC to DC Converter, 8.5A 102W 110-220V to 12V Car Cigarette Lighter Socket AC/DC Auxiliary Power Adapter for Diesel Heater Car Vacuum Cleaner, Air Compressor Tire Inflator, Portable Fridge - Walmart.com