>
>     The printhead is software controlled, right ? Can't you make a rough
>estimate based on software and reduce the problem without putting the
>batteries in danger ? It should be possible to have, at least, the magnitude
>of the power consumption..

Possible, but messy.
At this point, communications with the charger is one-way, by two wire
clocked serial.
It would be a bit of an overhaul to do it both ways, then I'd still only
have an approximation.

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