Your car only starts reliably because two electrical workhorses share the load. The battery delivers instant power on demand, while the alternator keeps that energy flowing once the engine runs.

Introduced as the successor to the FIAT 500, the FIAT 126 Personal was designed as a practical city car. Its compact ...

Portable generators offer reliable backup power during storm outages and emergencies. Here are the top gas, dual-fuel, and ...

Lexus is adding a ‘performance hybrid’ powertrain to the range-topping LX line-up in 2026, with a serious price premium.

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 ...

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

Yes, in most cases you should replace your car's serpentine belt when replacing the alternator. It's just much simpler to do ...

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

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

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 ...

Christina Majaski writes and edits finance, credit cards, and travel content. She has 14+ years of experience with print and digital publications. Vikki Velasquez is a researcher and writer who has ...

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