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The accelerometer's data sheet ( https://kionixfs.kionix.com/en/datasheet/KX023-1025%20Specifications%20Rev%2012.0.pdf ) states on page 8:
Current Consumption
High Resolution Mode 145 uA (0.145 mA)
Low Power Mode 10 uA
Standby 0.9 uA
As "Acceleration sensing is based on the principle of a differential
capacitance arising from acceleration-induced motion of the sense
element" I don't expect a current change in the device itself when in motion - only if switching from Low Power Mode to High Resolution Mode when a motion is detected.
HilmarSt
Thankd @Poolitzer - I wonder what the NON idle accelerometer draw is ? IE walking around.