M20F-1968 Posted August 12, 2017 Report Share Posted August 12, 2017 I am looking for a Ground Power Unit (GPU) to allow running of avionics, updating software, etc... without running engine. I have a Battery Minder, but that does not supply enough power. I am thinking 25 - 50 amps of clean power. The aviation ones run about $600.00. There is an automobile company that makes an aviation product (available from Spruce) for about $250.00. Are there other sources of power supplies that can do the job, but do not have the "aviation" word attached to them that raises the price to 1/2 AMU? John Breda Quote Link to comment Share on other sites More sharing options...
Danb Posted August 12, 2017 Report Share Posted August 12, 2017 John that is what I have got it 12 yrs ago when I was learning the G1000 never had any issues Quote Link to comment Share on other sites More sharing options...
Godfather Posted August 12, 2017 Report Share Posted August 12, 2017 If I was buying one my first choice would be an Iota DLS converter the company produces 12 volt and 24 volt units. Quote Link to comment Share on other sites More sharing options...
kortopates Posted August 12, 2017 Report Share Posted August 12, 2017 If I was buying one my first choice would be an Iota DLS converter the company produces 12 volt and 24 volt units. Interesting product, but I notice it runs a volt low for an aviation 28V buss. Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
Godfather Posted August 13, 2017 Report Share Posted August 13, 2017 28 minutes ago, kortopates said: Interesting product, but I notice it runs a volt low for an aviation 28V buss. Sent from my iPhone using Tapatalk Not sure if that would be a problem for most aircraft. The thing that amazes me is the tight voltage control between no load and max load 0.2 volts. Quote Link to comment Share on other sites More sharing options...
larryb Posted August 13, 2017 Report Share Posted August 13, 2017 I bought thishttps://www.amazon.com/gp/product/B01IU8QBCO/ref=oh_aui_search_detailpage?ie=UTF8&psc=1Voltage is adjustable over a small but sufficient range. I have only used it a couple times but so far so good. Quote Link to comment Share on other sites More sharing options...
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