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 ...

️ Editor's note: This article was updated with new information in December 2025. Dead batteries are a predictable reality for any car that spends more time parked than driven. Battery discharge does ...

Is your car battery more than 3 years old? It could be on the verge of dying, and you might not even realize it. Keep a closer eye on how much life it has left by purchasing one of the many car ...

The Topdon BT200 Battery and Charging System Tester showed up at exactly the right time. I’ve gotten a couple of sporadic check engine lights from a low-voltage code with no noticeable difficulty ...

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 ...

“Saved me from having to purchase a new battery,” said one shopper. As with your personal health care, preventative maintenance goes a long way in ensuring the dependability of your vehicle. A battery ...

A vehicle’s performance starts with its power source, making battery care one of the most essential—yet approachable—maintenance tasks for any car owner. No matter your skill level, a little attention ...

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 ...

A dead car battery can leave you stranded, which can be inconvenient at best or downright dangerous at worst. In many cases you can jump-start the vehicle, but that’s not always possible. Reviving a ...

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 ...

As with many modern conveniences, a vehicle's health hinges on its power source. Battery maintenance is an accessible skill regardless of your experience level. It's also arguably one of the most ...