Has your NVMe affected your battery at all?

[tophneal]

What's that package name? I'm running the Gnome3 image, so I only have one KDE app (the Manjaro Settings app.)

I don't know if it's worth installing one package. You will probably end up installing a lot  of other packages to make it work properly.
Just download KDE version and burn it to SD.

Eh. I have my PBP right now, but not any spare SDs (all at home.) I'll look through the KDE package list and see if I can find it, and check its dependencies. It might not require too many additional dependencies (I can always remove them once I'm done, too.)

EDIT: So I was wrong. There is some Power stats available to me in this image. Here's what Power Statistics showed me for the battery: