The Askmuse Car Battery Tester is on sale for $20, 46% less than the $37 it’ll normally run you. It’s a simple device, a handheld unit with a few buttons and a screen attached to a pair of testing ...

Cold weather exposes weak batteries fast. Here’s how to spot the warning signs—and replace it before winter leaves you stuck.

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 ...

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 ...

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 ...

Learn how to make your car battery last longer with this expert advice from CR. These simple steps will catch any battery ...

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 ...

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 ...

How Long Do Batteries Last? There are a few primary types of vehicle batteries, including lead-acid, AGM (absorbent glass mat), EFB (enhanced flooded battery), and lithium-ion. With the ability to ...

A car’s battery powers everything from starting the ignition to running electronics. But over time, the battery can lose its charge and experience a dip in performance. A typical sealed lead-acid (SLA ...