Be sure to read Jack’s mega treatise on low power hardware/software design if you haven’t yet. https://www.ganssle.com/reports/ultra-low-power-design.html http

Be sure to read Jack’s mega treatise on low power hardware/software design if you haven’t yet. https://www.ganssle.com/reports/ultra-low-power-design.html https://www.ganssle.com/reports/ultra-low-power-design.html One of the best practical EE essays I’ve ever read, and a masterwork on designing battery powered devices.