Why do cars need a battery

The video explains how a car battery starts the engine by powering the starter motor, which engages the flywheel to initiate the combustion engine. It discusses the alternator's role in recharging the battery and providing power to the car's electrical systems. The video also covers the structure and function of lead acid batteries, highlighting their chemical energy storage and recharging capabilities.

What new insight or understanding did you gain from this video?