Connecting a power inverter to a car battery is a pretty easy process and a great way to turn DC current into AC current to run household appliances in an emergency power outage or disaster. If you store all your emergency energy supplies in a "lights out" kit, you can put this setup together in under 5 minutes. Here is the video about how I store my emergency energy supplies. https://www.youtube.com/watch?v=6vo2jgm31os The inverters in this video are the Cobra 800 watt inverter: https://amzn.to/37w6I9J And the BESTEK 300Watt Pure Sine Wave Power Inverter: https://amzn.to/3NlpK7f