Texplained: Here's how your car's battery is charged on the move

Any vehicle on the road has a battery to either power it and/or the various onboard electrical systems. However, the battery, if not recharged, will stop powering all systems of a car. This is where a device called the Alternator comes in, Not only is an alternator responsible for charging a car's battery, it also ensures the battery retains the charge. But how does it do so? Here's a video that explains the working of an alternator: