With my Zen15, i can see in the driver
- current : 0.000
- currentH : 8.998
- currentL : 0.000
- energy : 2.914
- energyDuration : 90.88 Days
- power : 0.000
- powerH : 1478.878
- powerL : 0.000
- switch : on
- voltage : 126.060
- voltageH : 128.131
- voltageL : 119.008
no, i didn't try to keep the past but the day i will look at this option i will look at HubiGraphs