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 ...

Car batteries tend to die at the most inconvenient moments, so periodic testing is the best way to avoid these troubles. Knowing what causes repeated battery failures can help you stay ahead of the ...

This video tests car battery analyzers to see which ones correctly identify good batteries, bad batteries, cold batteries, ...

️ 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 ...

Electric vehicles' batteries must undergo lots of tests to determine their range and longevity. Engineers also have to test ...

The proliferation of EV battery cell manufacturing plants and EV battery pack assembly plants is producing a corresponding boom in the construction of battery test labs. These are needed to verify ...

The largest independent EV battery study, 500,000 tests, ranks which used EVs retain the most battery health. Mercedes, Hyundai and BMW lead.