While only 12 of the 203 reviews award the MM420 fewer than 4 stars, there are some issues worth noting. The most common ...

Be careful with single-phase motors, as most single-phase motors have components to help them start or continue to run ...

You can generally expect your car to run for between 30 minutes and one hour once the battery warning light appears on your ...

Have you ever wondered what made car manufacturers decide to go from dynamos to alternators for generating electricity? It's a mix of reliability and cost.

We earn commissions from purchases you make using links in our articles. Learn more. The alternator is a device that keeps your car’s electrical system running once the engine is on. It’s essentially ...