What is psu laptop?

A PSU (Power Supply Unit) for a laptop is a device that is responsible for converting AC power into DC power to facilitate the working of a laptop computer. It is also responsible for regulating the voltage and providing the right amount of power supply to the laptop, keeping it safe from fluctuations and surges.

The PSU for a laptop is usually designed to be compact and portable, making it easy to carry around. It is usually connected to the laptop through a DC connector cable, which connects to the laptop's power jack.

The voltage and power output of the PSU for a laptop can vary, depending on the make and model of the laptop. It is important to use the right power supply for a laptop, as using a power supply with the wrong voltage or power output can damage the laptop.

In addition to the standard PSU that comes with a laptop, there are also alternative power sources available, such as external battery packs and power banks. These can be useful for providing additional power to a laptop when on-the-go.

Overall, a PSU for a laptop is an essential component that is responsible for keeping a laptop powered and functioning at all times.