I had this PowerBank way before I got the steamdeck. It says on the description that it delivers only 12W of power (correct me if I misread it) which is only suitable for phones. It also doesnt have PD afaik. I’m sure this will brick the Nintendo Switch due to lack of power if I use it while playing but I’m not really sure about Steamdeck. I have read some comments here and on social media that the SD will warn me if I use it while charging on an incompatible power source. I plugged this in and it doesnt gave me any warning. I also use a phone charger as well and it does not gave me the warning I was expecting. To summarize,

1. Can I use this PowerBank while playing?
2. What should I check to see if its good for charging while playing?

I’m not good at electrical stuff so any answer from you guys will be a great help. Thanks