Take a look here for the official power requirements: https://www.raspberrypi.org/documentati ... /README.md

Only supply 5V to the board, any more will instantly damage it.

After doing quite a bit of research into a suitable UPS for my Pi4 2GB, I decided to buy the GeekPi UPS as it promises to supply suitable power to the Pi4, and the AliExpress reviews for it also seemed mostly positive. I got mine from Amazon: https://www.amazon.co.uk/gp/product/B088GZPTZZ/ref=ppx_yo...

I would definitely try to use the USB car charger option instead of using a power bank. Depending on which version of the Pi you have you would need to supply it with adequate power, see here for the various models: https://www.raspberrypi.org/documentation/hardware/raspberrypi/power/README.md Let u...

If you can't get it working try using something like this hard drive enclosure: https://www.amazon.co.uk/dp/B076X4WWZY/ ... 9EbPXTF3FW

That's what I use for my Samba share, it works very well.

Yes, that's exactly what I have set up on my Pi4 2GB. https://i.ibb.co/1MCWBc4/IMG-20200626-173452.jpg I installed Pi-Hole using the instructions here: https://docs.pi-hole.net/main/basic-install The tricky part for me was setting up a Samba share (I've never done that before) in the end I followed ...