My K2/10 had its own power supply in a matching enclosure. Since it has the internal battery (which incidentally, at around 8 years old, still seems OK) I set the voltage to 14.2V to keep it charged up, as recommended by Elecraft.
Due to the higher current demands of the K3/10, I got a Diamond power supply. This can cope with running the K2 at the same time, which is good because I don't have space for two power supplies. The output is variable, with a detent at 13.8V. I could crank this up to 14.2V as well, to keep the K2 charged up.
Now 14.2V is within the maximum 15V supply voltage stated in the K3 spec, but still I thought I should run it by the experts for a view on whether this voltage would cause any harm to it.
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