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I know it is because I was able to use my heating pad in the car. I received this about a month ago, and it has been a life saver. I have chronic pain in my back, and car rides are awful for me. I love this produce and would recommend it to anyone. This last weekend I went to Kansas City, MO (from South Dakota) and had very little trouble on the car ride.
This converter is a little bulky at the tip. The device works great and has been very helpful when using my laptop and handheld GPS device.
This inverter worked very well for an 11 hour journey while powering a laptop for music enjoyment. I would recommend this product to others. The fan in the unit was a little loud, but it was drowned out by the music of course.
The device is very good for notebooks and other small divices. It is totally worth it. For me, I am using for buffering(waxing the car) and it is working super.
I sent it in for exchange. The cooling fan was making noise on initial use. After a few hours of use the cooling fan stopped working causing the unit to overheat. Otherwise it's a nice design. It could have been an isolated occurance.
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