I believe the current draw from the circuit is because of the MCU, not the memory. The memory mode was stored in non-versatile memory, so it doesn't need power to keep it. In fact you can change battery and it will still be there, 4sevens mentioned this in his video.
And I think you can twist the head loose to avoid the current draw.
And I think you can twist the head loose to avoid the current draw.
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EDIT: I would also like to see them do away with the memory (or whatever causes the processor to draw power when off) Lithium batteries have a shelf life of 10 years............unless you store them in this light! With the ability to start out on either low or high the memory function could easily have been left out. This is the only thing keeping me from ordering right now.