Can You Charge Laptop With Usb Port

Can You Charge a Laptop with a USB Port?


With the increasing prevalence of USB ports on laptops, you may wonder whether you can use them to charge your device. This article will delve into the details of USB charging for laptops, exploring the different types of USB ports and their capabilities.

Types of USB Ports

  • USB-A: The most common type of USB port, typically used for connecting peripherals like keyboards and mice.
  • USB-B: A larger and less common type of USB port, often used for printers and scanners.
  • USB-C: A newer and smaller type of USB port, capable of handling both data transfer and power delivery.

USB-C Power Delivery

USB-C ports support a feature called Power Delivery (PD), which allows for higher power transfer than standard USB ports. This makes it possible to charge laptops with USB-C ports.

However, it’s important to note that not all USB-C ports support PD. Look for the “PD” logo or a “USB SuperSpeed+” marking to ensure your port supports power delivery.

Charging Laptop with USB-C

To charge a laptop with a USB-C port, you will need the following:

  • A USB-C PD charger
  • A USB-C to USB-C cable (some laptops may require a proprietary cable)

Simply connect the USB-C charger to the USB-C port on your laptop, and it will begin charging. The charging speed will depend on the power output of the charger and the laptop’s charging capabilities.


While USB-C charging is convenient, there are a few limitations to consider:

  • Not all laptops support USB-C charging. Older laptops and budget models may only have USB-A ports.
  • Power limitations: USB-C PD chargers typically provide lower power than dedicated laptop chargers. This may result in slower charging or limited performance for power-hungry laptops.
  • Compatibility: Some proprietary USB-C cables may only work with specific laptop models.


In conclusion, while not all laptops support USB-C charging, it is a convenient option for those with compatible devices. USB-C PD technology allows for higher power transfer, making it possible to charge laptops with a USB-C port. However, it’s important to consider the limitations and ensure your laptop and charger are compatible.

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