external battery

I got a Tesla recently and it's motivating me to try to see if i can do some VR gaming on the go (not while driving of course ;)). My plan is that I will obtain or build (around 200x 18650s) a ~2kWh power bank that I can keep in the car, and it can trickle charge from the car's 12V battery, and...

Hi, I recently bought an Intel NUC (NUC8i5BEK). I am planning to use an external battery pack (Poweradd Pilot Pro2 https://www.ipoweradd.com/prod_view.aspx?TypeId=10&Id=274&Fid=t3:10:3 or Sandberg Powerbank https://sandberg.it/en-us/product/Powerbank-20000-for-Laptop ) to power it when...