You could use this https://f-droid.org/packages/com.samco.trackandgraph/

It’s not exactly what you’re looking for but can do thé job

Thanks ! Do you use it with alarmo ? How is the battery life time ? Do you succeed to get battery information via zigbee2mqtt ?

Ublues = universal blue ? XD or is it again another spin ?

Thanks ! Is there a file/site to see the difference between silver blue and bluefin ? Are they using same repositories ? Or bluefin add rpm fusion for example ?