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d21lewis said:
ThePyroPath said:
OK, here's one. I have a Xtorm AL450 powerbank. What I noticed is that the list linked in the OP states many many readings of about 5 volts, 500mA. And I can confirm the slow declining of battery percentage while playing Zelda with the powerbank attached. However, when I disconnect the cable while it's charging and then reconnect within a few moments it actually starts charging the Switch. Progress is extremely slow, like 1% each 20 or 30 minutes, but it shows this should be providing more power than it's using or in other words, it can't be 5 volts, 500mA...

I use an Anker power bank. Can't remember which but it does power up the console. At least at 75% brightness.

OK, nice it works as intended for you and your type of memory bank. However it seems the majority of people have issues with powerbanks on the Switch where battery percentage is dropping faster than it should. For those people I suggested something to try.