A Honda inverter generator like the EU2200i is strongly suggested for any serious prep. As it uses little fuel when lightly loaded (happens often with fridges/freezers) so it lends itself well to keeping food safe during power outages without constant use, and will run both a fridge and chest freezer and likely a microwave at the same time.

Refrigerators are a frost-free devices and cycle through a 400-600W defrost cycle using heating elements. The defrost timer is sometimes a simple clock…

Fridge and Chest Freezer generator run times