There’s only one way to answer the question, “Is it my battery, or something else” when your car won’t start: Hook up the best car battery tester and get a readout of what’s going on. Skip the ...

Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Aug 27, 2025 4:00 PM EDT Is your car battery more than 3 years old?

Your car’s battery might seem like a “set it and forget it” part, but when it fails, it can leave you stranded, potentially costing you hundreds of dollars in tow fees or a visit to the mechanic to ...

️ Editor's note: We will be updating this article in the coming months to reflect long-term testing. Dead batteries are the silent killers of garage-kept cars. If you store your car for any stretch ...

So many of our daily gadgets rely on batteries. From something as small as a computer mouse to the bulky units needed to run a car, we can't seem to get away from our need for them. That's why it can ...

The importance of calibration for all electronic test equipment. The main reason why such equipment must be regularly calibrated. The pros and cons of self-calibration or using outside services. It’s ...

Discover which smartphone reigns supreme in battery life! Pixel 10, iPhone 17 Pro, and more tested in real-world scenarios.

If you’ve been thinking about switching from gasoline to battery-powered lawn equipment, now is as good a time as ever. Consumer Reports testers say today’s battery-powered tools don’t just go head-to ...