I guess I just wonder, as long as you're using a simple watchface and you have GPS off, your battery life should be multiple weeks anyway. At what point is it actually going to be useful to prolong that, and isn't going to be really annoying if your watch refuses to do what you want when you want it to?
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
I guess I just wonder, as long as you're using a simple watchface and you have GPS off, your battery life should be multiple weeks anyway. At what point is it actually going to be useful to prolong that, and isn't going to be really annoying if your watch refuses to do what you want when you want it to?