Adam Sampson's power-management bookmarkshttps://bookmarks.offog.org/ats/power-managementAdam Sampson2015-01-18T00:19:28ZHardware and Firmware Issues in Using Ultra-Low Power MCUshttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fwww.ganssle.com%2Freports%2Fultra-low-power-design.html2015-01-18T00:19:28Z"This report describes the hardware and firmware issues one must consider when designing very low-power coin-cell products." I imagine there are other concerns as well, but lots of interesting stuff here.