shouldn't electron UI then eat up much of the battery gains made from the modem ...

megous · on July 16, 2020

Probably not. Electron just sits there doing not much other than 2-3% CPU load from updating the information in the header each second.

https://megous.com/dl/tmp/a1017dd38ca6ce10.png

Batter gains in standby are something else. Main CPU is off, and no processes are thus running, so it doesn't matter what SW you have, for those gains.