ITEM NAME:12V Car Vehicle Portable Ceramic Heater Heating Cooling Fan Defroster De ZAD.2 in 1 Car Portable Ceramic Heating Cooling Heater Fan Defroster Demister DC 12V. 1 x 12V Portable Car Heater Defroster. Although these cars’accumulators are --12V, but their currents are only 5A-10A.