Ahh I went though this like 2-3 months ago.. Its really depends on you what kind of gadgets you want to charge..

For example I had a good one which can charge my phone almost 2 times

Working with the blockstream Jade

But the coldcard MK consumes too little power and after 20 second the power bank automatically turn off..

After that I tried an other one

Same story with my phone

Coldcard Mk fine

Then somehow my Jade is bot charging with that.. so it’s a bloody hell topic..

for my experience only can give you these information also looking forward for some good one 😅😅