Portable 10000mAh Charger Power Bank Case ?

It's essentially a power bank that has a usb-c connector directly into the device.

Nintendo of Japan made a little writeup about using power banks. Translated on reddit.

• before charging the Switch with a power bank, users should “always perform the latest system update”
  
  
• if you would like to charge your system with a power bank, you should use the official USB charging cable
  
  
• if using a third party option, use a USB charging cable with a 56k Ohm resistor
  
  
• charge the Switch in an environment where the temperature is between 5℃ to 35℃ (41°F to 95°F).
  
  
• charge your Switch at least once every 6 months
  
  
• if the system isn’t charged for a long period of time, surplus electrical discharge may damage the console’s ability to charge
  
  
• repeatedly charging the Switch will slowly reduce its overall battery life over time
  
  
• if your Switch fails to charge or it has a very short battery life, you will need to replace the battery by contacting Nintendo

Source: https://www.reddit.com/r/NintendoSw..._japans_support_page_gives_details_on/dwn4x23

For the most part, do not use any third party power banks and battery packs that connect directly to the device.

Edit: I just noticed... that power bank case you linked covers the console's exhaust. From the get-go that is a dangerous and terrible case for your $300 device.

 

I recommend https://gbatemp.net/review/venom-power-pack-stand-for-nintendo-switch.755/

 

It clearly covers them looking at the pictures. Unless the product in the picture isn't what the product looks like...which is even worse.

 

I dont know at what pictures you are looking at but it does not.

Go for the Venom Battery Case. I use it too.

 

I don't know what pictures you're looking at but it is very clearly blocking the rear exhaust.

 

Look again. Closely. Very Closely. Or take a look at the other Pictures. If you still cant see it get a better screen XD

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