<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by ricktoronto:
the problem you may have with this Radio Shack inverter ( and a few others not aimed at aircraft use) is that the DC power in the seats is 15V DC and the usual operating range of the car inverters is about 11-13V.
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Most car batteries will actually produce 13-15v much of the time. More importantly, car systems are quite variable (may be high if the alternator is charging the battery; may be low if lots of lights are on and car is not moving), so I would expect any decent car inverter to have a wide tolerance.