particularly solar/outdoor/remote applications. I run ESP32s from super-cheap USBC solar panels with integrated battery/BMS for various measurements, keeps them running 24/7 regardless of weather due to how little they consume. They pop on every 4 minutes, power the sensors, connect to the WiFi network, beep out their data, then go back to sleep. Seeed's ~$6 ESP32C3/C6 boards have onboard BMS for 3.7V cell even, if I didn't prefer the integrated panel/battery method.
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The question for any given application is: How slow does the processor need to be, before its power consumption is no longer a factor?
Increasing the processing power at that near-marginal power consumption broadens the range of battery-powered applications that are possible.
particularly solar/outdoor/remote applications. I run ESP32s from super-cheap USBC solar panels with integrated battery/BMS for various measurements, keeps them running 24/7 regardless of weather due to how little they consume. They pop on every 4 minutes, power the sensors, connect to the WiFi network, beep out their data, then go back to sleep. Seeed's ~$6 ESP32C3/C6 boards have onboard BMS for 3.7V cell even, if I didn't prefer the integrated panel/battery method.