Without an uninterruptible power supply, you’re just a power outage away from losing all your work.

In today's digital age, a reliable UPS (Uninterruptible Power Supply) battery backup is not just a luxury—it's a necessity.

Q: I added green "smart house" computer controls to my house. During a power outage, settings are lost. Are there backup power supplies that don't waste electricity? -- Al S. A: It takes only a very ...