Here's a word from our other sponsors
In addition to Würth Elektronik and element14 Energy Micro and Linear Technology are also sponsors of the Energy Harvesting Solution To Go Challenge.
This is the result of another test run on the e-paper.
According to its datasheet the e-paper uses 0mA except when the display is updated with a new image.
When the display is updated it typically draws 8mA for the duration of the update with a short 40mA pulse when its DC/DC converter initialises.