Your car only starts reliably because two electrical workhorses share the load. The battery delivers instant power on demand, ...

Testing a regulator all the way down to zero volts to see how it behaves and finding an output level, below which bad things ...

Cold mornings can quickly turn into a nightmare when you try to start your car and the engine just won’t turn over. In freezing temperatures, your battery h ...

I recently had my tires rotated and the topic of studded snow tires came up. The service person said the studded tires are now illegal in New ...

DAVENPORT, Iowa, Dec. 1, 2025 /PRNewswire/ -- When it comes to outfitting vehicles for security, defense, or demanding commercial applications, the Nissan Patrol stands out as a reliable platform. But ...

Mercedes owners usually start asking about battery prices when the car hesitates at start up, the lights dim at idle, or a ...

Windows 11 has a built-in report that provides insight into your laptop's battery health (and whether a replacement is needed).

Alternators began to replace generators in modern cars in the 1960s thanks to how many advantages they offered for efficiency and reliability.

A precision voltage divider produces a specific fraction of its input voltage using carefully matched resistive components.

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. The older I get, the more I appreciate listening to music ...