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 rank the top 10 car battery brands in the US for 2026 based on consumer reports and independent testing data.

Before heading out on a summer road trip, experts say two of the most important systems to check are your brakes and your ...

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 ...

You try to turn on your car, and it just won’t start. Maybe the dashboard doesn’t even light up. A likely cause: The 12-volt battery is dead. All cars lose a little battery power when parked. If you ...

Choosing the wrong replacement battery can turn a reliable daily driver into a car that struggles to start, especially in extreme temperatures. Consumer Reports has highlighted several car battery ...

Our writer tested nine jump starters and found two models that deliver the right combination of safety, guidance and ...

Winter is tough on cars—even before they are turned on. Cold weather causes the engine oil to thicken and create resistance, and the chemical reactions in the electrolyte solution in the car battery ...

LFP cells usually last longer than their NMC/NCA counterparts, thanks to a lower nominal voltage. Common wisdom suggests LFP cells can be charged frequently to 100% without experiencing significant ...

Subaru isn’t the first car brand that comes to mind when considering electric vehicles. Like other Japanese automakers, including Toyota, Subaru has been one of the biggest laggards in the shift to ...

You might think a brand-new car battery would be good to go the moment it's installed. However, the reality is different — not all new car batteries come fully ...