Generators with built-in inverters are some of the best ways to protect your backup power. Smaller devices like universal power systems (UPS), power conditioners, and automatic voltage regulators can ...

Your gadgets run on direct current, but the electricity in your home is alternating current. What’s up with that?

AC and DC power differ in direction, usage, and efficiency. Learn the basics of how alternating and direct current work and where each is used.

Batteries are a part of our everyday life, and power everything from phones to gaming handhelds to laptops, but do those batteries use AC or DC current?