I had something similar, from Fobo (
https://my-fobo.com/Product/FOBOBIKE).
When I took it into Central Tyres for a tyre change, they said the stress of the extra weight (battery + electronics) may damage the valve (at high speed the rotation is quite a stress on a valve that is only designed to hold a plastic cap. As you can see, they're mounted with quite a long side stem, which increases the moment, On the K front wheel you have to mount it sideways.
I'm not sure they're got any empirical evidence to back that up, but they tend to know tyres and valves rather better than I do, so I removed them.
Having said that, whilst they were fitted, they worked well.
I've some to the conclusion that I've survived this long without them, so it's not a huge problem.
And anyway, Brian tells me when I've got a flat