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What's the difference between USB A and USB C?

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What is a USB charger?

A USB charger refers to the device that uses USB interface to connect computer or charger to charge electronic products.

Let's talk about the difference between USB A and USB C firstly.

USB-A and USB-C are two different types of USB connectors, each with distinct features and capabilities:


  • USB-A is a traditional USB connector that has been in use for many years.

  • It has a rectangular shape and is commonly found on computers, laptops, chargers, and other electronic devices.

  • USB-A ports are often used for connecting various peripherals, such as keyboards, mice, external hard drives, and flash drives.

  • USB-A ports typically support USB 2.0, USB 3.0, and USB 3.1 standards.


  • USB-C is a newer and more versatile type of connector that is becoming increasingly popular.

  • It has a small, oval-shaped design with a reversible plug, which means it can be inserted into a device in either orientation.

  • USB-C ports can support various protocols, including USB 3.1, USB 3.2, and Thunderbolt 3, allowing for faster data transfer and higher power delivery.

  • USB-C ports are found on many modern laptops, tablets, smartphones, and other electronic devices, serving multiple functions such as data transfer, video output, and charging.

In summary, USB-A is the more traditional connector, while USB-C is the newer and more advanced type that offers higher data transfer speeds and more versatile capabilities.


With the development of USB C technology, the USB C Charger was used more and more popular nowadays.

Such as OPPO, VIVO, APPLE, SAMSUNG, HUAWEI..., most mobile are use USB C to getting fast charge.

Except to mobile phone and laptop computer, some other electronics products also need to use USB C charger to get better charging perfermance.

Usually, we call it PD charger/ USB C charger/ Type C fast Charger.

How to find a suitable USB C charger?

Finding a suitable USB-C charger involves considering several key factors to ensure compatibility, safety, and optimal charging performance. Here are some steps to help you find the right USB-C charger:

Check Your Device's Requirements: Look at the specifications of your device to determine the required power input, voltage, and amperage. Ensure that the charger you select meets or exceeds these requirements.

Verify Charging Standards: Check if your device supports specific charging standards like USB Power Delivery (PD) or Quick Charge (QC). Choose a charger that is compatible with the charging standard of your device to ensure fast and efficient charging.

Consider Power Output: Select a charger with an appropriate power output that matches your device's requirements. Higher power outputs generally result in faster charging, but make sure the charger's power output is within the safe limits recommended for your device.

Check for Safety Certifications: Look for chargers that have undergone safety certifications such as UL certification, CE marking, or FCC compliance to ensure they meet safety standards and regulations.

Read Reviews and Recommendations: Research and read reviews from other users to determine the reliability, durability, and performance of the charger. Consider reputable brands known for producing high-quality chargers.

Consider Portability and Features: If you need a charger for travel or on-the-go use, consider a compact and lightweight charger with features such as foldable prongs or multiple charging ports to meet various charging needs simultaneously.

Compare Prices and Warranty: Compare the prices of different chargers while considering the features and quality they offer. Additionally, check for warranty information to ensure that you have coverage in case of any malfunctions or defects.

By following these steps, you can find a suitable USB-C charger that meets your specific charging requirements and ensures the safe and efficient charging of your device.

You also can contact Super Dragon for professinal USB charger's custom service supporting.




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