Question about Black & Decker Black Decker 400 Watt Power Inverter Pi400abozr

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Trying to run a digital projector from a car battery

Bought a black and decker 400w power inverter, tried to plug into the cigarette lighter, it was unable to run the projector. the red light goes on as soon as i press power. The manual says i should try to clip it directly into the car battery terminals, i want to ask if this will work for this projector: http://www.projectorcentral.com/Epson-EX31.htm
it was a wet night and thought i should ask someone before i go fiddling around with battery terminals in mild wet conditions. also, i'm trying to run a 100' extension cord from the inverter, will the length of the cord affect the ability to conduct current? thank you
-j

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I looked at the power requirements of this projector, 280W, but that assumes a nice sine wave. Your inverted is supposed to put out 400W, but it's a modified sine wave. Under ideal conditions (including a good battery) this might be just enough. Connecting directly to the battery will help a little, because of the limited ability to get current to and through the cigarette lighter. Using a 100 foot extension cord will diminish the voltage a bit (less so if it's a heavy gage wire). I would try connecting the inverter directly to the battery, run the engine and skip the extension cord. If that works, turn off the engine. If that works, try the extension cord. If it won't work with the engine running, connected directly and no cord - there are two possibilities: (1) the projector just won't run on a modified sine wave, (2) you need a bigger inverter. --- regarding (1) I have seen lots of people having trouble with various devices. You might want to ask Epson support. --- Good luck!

Posted on May 26, 2010

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