By using the batteries in a GM EV, the GM Energy Home System turns a vehicle into a battery backup when the power goes out.

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Back when I lived in North Carolina, along what weather experts call Hurricane Alley, ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

You've probably heard many terms like household batteries, energy storage systems, and backup power supplies. Simply put, ...