Re: Should have DC power inverter built
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Re: Should have DC power inverter built

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Posted by westernjoe on September 16, 2008 at 16:58:33:

In Reply to: Should have DC power inverter built posted by Captin Cannuck on April 16, 2007 at 07:52:59:

Capn'
What's really crazy is that inside the cpap machine there is a power supply that drops the AC line down to 12 volts for the motor and 5v for the circuits. It depends on the circuit, but if you had a schematic you could attach an external DC source directly and bypass the power supply. In other words, it would cost them almost nothing to allow external 12v - just a connector and a source selection switch, and possibly some overvoltage protection.

RA

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