Here is a portable fridge is designed to fit in the subtrunk of Tesla Model Y, X & 3. The AcoPower Tesfridge has an adjustable temperature from -4 to 50F and 36L capacity. It has a 45mm thick layer for insulation. This fridge is easy to carry and has a convenient LED display.
All 3 models are 45W rated. They weigh from 25.3lb to 31lbs. These mini freezers work with a 130Wh power bank. This project is getting funded on Kickstarter. You can find out more about it here.