Transformation doesn´t work correct

[UnwiredWalter]

Hi,

I use the watt2kWh node to calculate the energy consumption from my Shelly plus 1PM devices.
As it seems I missunderstood the functionality of the node - or the node is not working correct.

example:
one of my Shellies has a current power consumption of 0.4W - and the watt2kWh node delivers only strange values

Is there anything I´ve overlooked? Or configuration?

thanks,
Walter

[kobius77]

have a look at the second example. you need to sum up this node's output somewhere.