Servicing absorbed glass mat (AGM) batteries isn't difficult, but the sophisticated AGM design—which is becoming more popular—does require the proper equipment and a little care. Here are the key ...

Why You Care: Because one hot rod is never enough.

If your car has a stop-start feature (i.e. the engine stops automatically when you come to a halt), it'll probably have an AGM battery and you'll have to use the AGM setting. This shouldn't be ...

If your worst dry spring morning begins and ends with a drained battery, the Clarke BC1 Clarke BC1 6/12V Intelligent 1A ...

How well a battery withstands repeated charge-discharge cycles in high temperatures. A higher score means better reliability and voltage retention over time. How long a battery can power a car if the ...

The Duracell Platinum AGM 47 (H5) is part of the Car Batteries test program at Consumer Reports. In our lab tests, Car Batteries models like the Platinum AGM 47 (H5) are rated on multiple criteria, ...

While they all share a basic common purpose, car batteries are not universal. There are many kinds of car batteries, and you'll want to make sure you have the right one for your vehicle. The most ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Sarah Witman Sarah Witman is a writer focused on batteries and charging ...