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>Thank you Travis and danke, Bernhard, > >owing to Bernhard´s hint I was able to browse a little myself and found >that thread, too. > >Especially interesting, because I had one such 12V to AC adaptor lying >around anyway. >Just hooked it up and it works fine. > >Still, it is not the solution I favor in terms of power consumption/ >battery life. The adaptor draws approx. 1A of current from the battery, >(which is about accaptable for me) but could presumably be at least >halved if you are able to connect the battery directly to the EDP´s >circuitry. > >regards, >Manfred I suppose you would need 3 batteries to save significantelly 5V 1,5A +12V 200mA -12V 100mA (I dont remember precisely) or take all from one 6V battery and use DC-DC chips for the 12V I am not sure whether this will bring noise, though! hope you make it! Matthias -- ---> http://Matthias.Grob.org