Battery problems rarely arrive out of nowhere. Long before a car refuses to start or a phone dies at 20 percent, small ...

Although internal combustion engines rely on burning fuel and air to run, they do need some help starting up in the first place. In the old days, that could mean standing outside your car and getting ...

Cold weather has a way of exposing weak links in your car, and the battery is almost always the first to fail. Plenty of vehicles that ran perfectly fine all summer suddenly refuse to start once ...

A car battery is a crucial component that plays a vital role in the operation of a vehicle. Its primary function is to provide electrical energy to start the engine and power various electrical ...

We've tested and reviewed products since 1936. Read CR's review of the Weize Platinum AGM 94R H7 car battery to find out if ...

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 ...

Battery preconditioning—or simply put, battery preheating—is critical before a DC fast charging session, especially in the cold season that we now have in the northern hemisphere. Bringing the battery ...

Winter is here, and for medium and heavy-duty truck operators, that means one thing: battery struggles. Dead cranking batteries are a common headache in cold weather, compounded by the increased ...