question

yvl avatar image
yvl asked

Where are the Energy in and out Counter for Battery ? (Pylontech BMS -> GX -> MQTT)

Hello,

where can i find the Energy in and out counter for the Battery.
(mean's from Battery in kWh and to Battery in kWh)

I can see them on VRM Portal :

1634712513460.png

1634712593931.png


but they are not on MQTT Tree ...

i need them to determine some forecastcalulation ....


PylontechEnergy MeterMQTT
1634712513460.png (16.1 KiB)
1634712593931.png (18.2 KiB)
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3 Answers
frederikbove avatar image
frederikbove answered ·

I don’t think there are any of I look in the documentation an with mqtt explorer. I was also looking for the to use in home assistant

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mark-kusters avatar image
mark-kusters answered ·

Did anyone find a solution for this issue yet?

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steffen-graap avatar image
steffen-graap answered ·

In my system, the power values of the battery come from the SmartShunt and can also be picked up from it. The topic I use for this is the following:

N / XXXXXXXXXXXX / battery / 288 / Dc / 0 / Power

Negative values are the consumption of power, positive values represent charging power.


It will be different for you because you use a Pylontech BMS, but there will also be a corresponding topic here.


I wrote a script that writes all the topics that are sent by Venus into a csv file. I can then evaluate these with Excel and search for the required topics.

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