Ryobi
When mowing with a friend's 40-V Ryobi, I noticed that, when under higher load, the motor appears to literally 'power-up' as if it's transitioning from 20-VDC, to 40-VDC out of the pack.
And My 80-V Cobalt and 80-V Atlas mowers do exactly the same thing, as if under light load, their just 'loafing' on half-voltage.
A VOM shows that the pack IS 'compartmentalized', into two 40-V 'halves.'
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