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 ...

️ Editor's note: This article was updated with new information in December 2025. Dead batteries are a predictable reality for any car that spends more time parked than driven. Battery discharge does ...

The small lab at the University of Michigan is a “maker space” for the scientists and engineers trying to perfect the next generation of electric vehicle batteries. ANN ARBOR, Mich. — Inside this ...

Parasitic drains can be extremely annoying, but they're not impossible to identify. Here are some ways to find a parasitic drain in your car.

Key fob batteries always seem to die at the worst times. Learn a simple way to test a coin cell, plus which results you'll ...

Solid-state batteries are poised to revolutionize the car industry, and Honda is inching closer to putting them in their cars, far ahead of many automakers. These types of batteries differ in their ...

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 ...

Car batteries rely on a chemical reaction to start vehicles. The age of your battery plays a huge role in its voltage and ability to start a vehicle in lower temperatures. Winter is almost here, and ...

Israeli startup StoreDot said it had received “outstanding battery performance feedback” from potential customers for the first evaluation and integration of its A-samples testing phase of extreme ...

Life test measures how a battery endures repeated charge-and-discharge cycles at hot-climate engine-compartment temperatures. The more cycles endured while maintaining a higher voltage, the higher the ...