Purchased two 12v 150 watt ceramic heaters. Arrived a week later. Both units are unbearably noisy and barely put out more heat than your own breath unless the car engine is revving high. Tried them on a 12 volt battery that was fully charged and no heat comes out at all. It seems they need well over 13 volts to get any heat at all. Would recommend that you try an equivalent ceramic heater in a store like autobarn before you buy. Ours are ready to go in the bin
4 years ago
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