Trying to improve battery life for Smart TRV's

[Hellis81]

Not TRVs but the same function

Zigbee / open thermostat controller without battery?

Hi everybody, I am using Eurotronic and Moe's brand thermostat controllers for my radiators. They are connected via zigbee2mqtt. However, I have two big issues with them: it seems like they (only sometimes) don’t work correctly any longer before the battery is “officially” low, so there is no way to predict when this will happen; a trigger warning if “battery remaining” is under x percent (if the device even reports this) or “battery low” is “true” does not work in this case they run on …