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Old 05-31-2009, 02:30 PM   #3 (permalink)
EcoModding Lurker
Join Date: May 2009
Location: Germany
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You can just buy any old 13.8V SMPS and stick 150...300VDC into it (rated voltage is normally 110...240VAC, take that times sqrt(2))

And then out comes your 13.8V :-) I switch mine on+off together with the main battery contactor (which is operated from the 12V aux battery)
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