Yes, into a good SWR.?
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Now I have to give a longer answer since someone else is going to say you are adding incredible risk of damage with anything over 12.00V.? But Hans officially states (in multiple places, red ink, in his documents): 12V max and 5W max for the QMX/QMX+, which he believes is safe for all modes.? (Except WSPR beacons, where you may also want to reduce your voltage.)? Note that his spec does not say 12.0V or 12.00V; he specifically did not want to be that precise.? He also says do not go over 13V, and sets that as the default protection threshold, and to not use 12V sources that are not really 12V - all of which I interpret as staying within a few percent of 12V. ? And he has also said (in individual message responses here) that for CW (and other low duty cycle modes) into a good SWR that he wasn't so much concerned about a few tenths over 12V.
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I personally have a power source that I charge to 12.4V.? I use it on SSB and CW until it is down to 12.0V (less than 1/2 hour of use), then I use it for FT8 or whatever mode for the next several hours of its capacity.? And that has never given me a problem.
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Stan KC7XE