Thanks for the very useful information.
I thought I ask it here, because I didn’t find the answer online…
Thanks again.
Start a new thread on that specific topic and you’ll likely get a lot more replies. ;)
Or do a search of this forum. I’ve seen similar threads on that subject. The Pi 4 is a bit power hungry, and makes using it in portable projects a bit of a pain.
My battery powered Pi builds are all Pi Zero’s. Rovers etc that don’t need the computing power of a Pi 4. And aren’t connected to a display.
I also use Pi 3A+'s a lot in headless setups as a compromise. Motion Eye OS builds. A Pi Zero just isn’t up to the task of streaming good quality video. And I don’t use the HDMI or USB ports, so a Pi 3A+ is a nice cost saving over a 3B or 4B.