Plugs directly into your lighter/power socket Heater coil works directly in beverage container Use with glass or ceramic containers only Enjoy hot drinks quickly and easily with this dependable beverage heater. Simply plug it into your lighter/power socket and immerse the heating coil into your favorite glass or ceramic mug or container filled with liquid. In seconds, your beverage is nice and hot and ready to enjoy. Easy way to heat water for instant powdered drink and soup mixes, too. Compact size is perfect for tucking into your glove box. Another great innovation from RoadPro, your trusted travel companion, bringing the comforts of home to on-the-go living.
Hot water in my flask doesn't stay hot enough for a whole day out, and this is a good way to bring my tea or coffee up to temperature. I haven't tried heating water from cold - it is always at least warm when I start. It takes several minutes and the wait can be a bit tedious, but it does a good job. The clip which is supposed to hold the heater onto the side of the mug doesn't (it flops about), so I have to hold it to keep it properly immersed. It cools off quickly and is rea..
This is a good product. I use it in a stainless coffee mug in the car. Sometimes the cigarette lighter plug on the Road Pro will melt if you leave it on too long. Radio shack part number 270-1521 is a much more robust plug. I just crunch the old plug up and cut the metal tabs with the wires soldered to them from the original plug and put them in the holes in the Radio Shack heavy duty plug and it is fixed and lasts forever. I leave the LED connected and it indicates when it..