PD vs QC Charging

PD Charging vs QC Charging: What Is The Difference?

Written by: Pete Luckhurst

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Time to read 7 min

Keeping our devices charged is crucial for staying connected and productive. However, with so many different charging methods available, it can be challenging to understand the differences and choose the right one for your needs. In this article, we will explore the differences between PD (Power Delivery) charging and QC (Quick Charge) charging, two popular methods that have revolutionized the charging industry.

Understanding the Basics of PD and QC Charging

Before we jump into the differences, it's important to understand the basics of PD and QC charging. Both PD and QC are fast charging technologies that enable quicker and more efficient charging of compatible devices. However, they utilize different mechanisms to achieve this.


Power Delivery (PD) charging is a universal charging standard that uses USB-C cables to deliver higher power levels. It allows devices to negotiate power delivery, enabling them to draw more power when needed. PD charging typically provides higher wattage, making it ideal for charging laptops, tablets, and smartphones.


Quick Charge (QC) is a proprietary technology developed by Qualcomm, a leading provider of mobile chipsets. It works by increasing the voltage and current delivered to the device, allowing for faster charging. QC charging is primarily supported by devices with Qualcomm Snapdragon processors, such as smartphones and power banks.


It's worth noting that while PD charging is more universal and versatile in terms of device compatibility, QC charging offers specific optimizations for devices equipped with Qualcomm technology. This distinction can be crucial for consumers looking to maximize the charging speed of their devices while also considering compatibility across a range of products.


PD charging is becoming increasingly popular in the tech industry due to its ability to deliver power not only for smartphones and tablets but also for larger devices like laptops and even some gaming consoles. This versatility makes PD a sought-after feature for users who require fast and efficient charging for a variety of electronics.

Key Features of Power Delivery (PD) Charging

PD charging offers several key features that set it apart from other charging methods:


  1. Increased Power Output: PD chargers can deliver higher power levels, ranging from 18W to 100W or more, depending on the device and charger capabilities. This means faster charging times compared to standard chargers.
  2. Bi-Directional Charging: PD chargers can not only charge devices but also act as power sources for other devices. This feature is particularly useful for charging accessories like wireless earbuds, smartwatches, and Bluetooth speakers.
  3. Multi-Device Charging: PD chargers often include multiple ports, allowing you to charge multiple devices simultaneously. This eliminates the need for multiple chargers and reduces clutter.

Power Delivery (PD) charging technology is known for its compatibility with a wide range of devices, including smartphones, tablets, laptops, and even certain gaming consoles. This versatility makes PD chargers a convenient choice for users who own multiple electronic devices and want a single charger that can meet all their charging needs.


Another advantage of PD charging is its ability to intelligently adjust power output based on the connected device's requirements. This dynamic power delivery ensures optimal charging efficiency and helps prevent overcharging or overheating, prolonging the lifespan of both the charger and the device being charged.

Quick Charge (QC) Technology Explained

Quick Charge (QC) technology offers the following key features:


  1. Enhanced Charging Speed: QC chargers can deliver a higher voltage and current to compatible devices, resulting in faster charging times. This is achieved through Qualcomm's proprietary technology.
  2. Intelligent Charging: QC chargers are designed to communicate with QC-enabled devices, allowing them to optimize the charging process for efficiency and safety.
  3. Backward Compatibility: QC technology is backwards compatible with previous versions, meaning you can use a QC charger with a non-QC device, but it will only deliver standard charging speeds.

One of the standout features of Quick Charge technology is its ability to significantly reduce the time it takes to recharge your devices. By delivering higher power levels, QC chargers can top up your smartphone or tablet much quicker than traditional chargers. This is particularly useful for users who are always on the go and need a quick boost of power without having to wait around for hours.


The intelligent charging capabilities of QC technology go beyond just speed. These chargers are equipped with built-in safety mechanisms that monitor temperature and voltage levels to ensure that your device is charged in the most efficient and secure manner possible. This not only protects your device from overheating or overcharging but also prolongs the overall lifespan of your battery.

Compatibility: Which Devices Support PD and QC?

When it comes to compatibility, both PD and QC have their strengths:


PD charging is rapidly becoming the standard for many devices. It is supported by a wide range of devices, including smartphones, laptops, tablets, and more. Many popular brands, such as Apple, Google, and Samsung, have embraced PD technology, making it easier to find compatible devices and accessories.


QC charging is primarily supported by devices with Qualcomm Snapdragon processors. This includes many Android smartphones and power banks. While not as widely adopted as PD, QC technology still offers fast charging capabilities for those with compatible devices.


While PD and QC are popular fast charging technologies, there are other proprietary fast charging standards in the market as well. For example, OnePlus devices use Warp Charge technology, which promises even faster charging speeds compared to traditional methods. Additionally, some manufacturers like Huawei have their own fast charging solutions, such as SuperCharge, which are optimized for their specific devices.


When considering compatibility, it's also worth mentioning that not all devices that support PD or QC will necessarily deliver the same charging speeds. Factors such as the quality of the charging cable, the power output of the adapter, and the device's own hardware limitations can all impact the charging speed. Therefore, it's recommended to use certified cables and adapters to ensure optimal charging performance for your devices.

Charging Speed: How PD and QC Compare

Both PD (Power Delivery) and QC (Quick Charge) charging methods offer significantly faster charging speeds compared to traditional charging methods. PD charging tends to offer higher wattages, allowing for faster charging of devices such as laptops and tablets. This is particularly beneficial for users who rely on their devices for work or productivity and need a quick recharge to stay connected and efficient.


QC charging focuses on delivering higher voltage and current, resulting in faster charging of smartphones and other compatible devices. This is advantageous for individuals who are always on the go and need a rapid battery boost to keep up with their busy lifestyles. The ability to quickly top up their devices can make a significant difference in staying connected and productive throughout the day.


To experience the full benefits of PD or QC charging, you need to have a compatible device, charger, and cable that support the respective technology. Using an incompatible charger or cable may result in slower charging speeds. Therefore, when investing in a new charger or cable, it's essential to ensure that they are compatible with your device to maximize the charging efficiency and speed.

Future Trends in Charging Technology: What Lies Ahead?

The charging industry continues to evolve, with new technologies and standards emerging. As technology advances, we can expect even faster charging speeds, improved compatibility, and more efficient charging methods.


One exciting trend on the horizon is wireless charging. Wireless charging eliminates the need for cables, allowing you to simply place your device on a charging pad or dock to start charging. Many devices already support wireless charging to some extent, and this technology is expected to become more widespread in the future.


Another fascinating development in charging technology is the concept of ultra-fast charging. Imagine being able to fully charge your device in a matter of minutes rather than hours. Companies are investing heavily in research and development to make this a reality, exploring innovative materials and charging protocols to achieve lightning-fast charging speeds without compromising battery life.


The integration of renewable energy sources into charging solutions is gaining traction. Solar-powered chargers, for example, harness the sun's energy to charge your devices on the go, offering a sustainable and environmentally friendly charging alternative. As the world shifts towards renewable energy, we can expect to see more eco-conscious charging options becoming mainstream in the coming years.

Conclusion: Choosing the Right Charging Method for Your Needs

PD charging and QC charging are both excellent options for fast charging your devices. The choice between the two depends on your specific needs and the devices you own.


If you primarily use devices with USB-C ports, such as laptops and tablets, PD charging is a versatile and future-proof choice. PD chargers offer higher wattages, bi-directional charging, and multi-device charging capabilities, making them ideal for power users.


If you have a Qualcomm Snapdragon-powered smartphone or power bank, QC charging provides fast and efficient charging. QC chargers are backward compatible, allowing you to charge non-QC devices, albeit at standard charging speeds.


Ultimately, understanding the differences between PD and QC charging can help you make an informed decision when it comes to choosing the right charging method for your needs. Whether you opt for PD or QC, fast charging technology ensures that you can keep your devices powered up and ready to go, no matter how demanding your day may be.


Now that you know the benefits of PD and QC, you may want to take a look at our Phone & Tablet Chargers and Power Banks.


About the author

Pete Luckhurst is a Website Manager at Maplin.

After getting an early start in the world of computing with C64 & Amiga computers, Pete now spends much of his spare time in PC VR and dabbling in game development. He also has a strong interest in film, photography and music.

Among other endeavours, he previously worked in a Maplin store, so it was a no-brainer when the opportunity arose to work on the modern incarnation of Maplin online. Besides writing for the blog, Pete works alongside the Maplin team to help keep the online store running smoothly.

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