AC or DC: Which Is Better? 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?

Technical Terms DC Current Injection: The unwanted introduction of direct current into an AC grid, potentially causing equipment overload and power quality issues.

Direct-current marine generators represent a new alternative to traditional gensets. Learn how they differ from traditional alternating-current generators.