Absorbent Glass Mat, or AGM, batteries are touted by manufacturers as being more capable of meeting the demanding electrical needs of modern cars—from powering infotainment systems to fuel-saving ...

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 ...

Absorbent Glass Mat, or AGM, batteries are touted by manufacturers as being more capable of meeting the demanding electrical needs of modern cars—from powering infotainment systems to fuel-saving ...

Many car batteries look and perform much like those Consumer Reports tested 10 years ago. But a newer type of lead-acid battery called absorbed glass-mat, or AGM, is gaining ground in new cars and as ...

You don’t want to wait until the day your car doesn’t start to begin researching replacement car batteries. Eventually, your car’s battery will run out of charge and needing a replacement is part of ...

Working on car electrical systems used to be easy. The battery simply provided power for the car’s starter motor when starting or to run the small number of accessories when the engine wasn’t running.

GREENSBORO, N.C. — If you’ve had to replace a car battery in the past few years, you’ve probably noticed that they’ve become more expensive. In fact, battery prices have been rising over the past ...

Every battery needs a 12-volt car battery, even that newfangled electric car you're driving around. 12-volt car batteries continue to be the biggest part of the $100-billion auto battery market, and ...

Boat batteries are the heart of it all. Whether used to power accessories or simply to start an engine, not too much happens aboard most powerboats without a battery. In today’s marketplace, boat ...