What Is a PD Charger: A Quick Explanation

Are you confused about what a PD charger is or how it's different from other types of chargers? Many people don't really understand the differences between the various charging technologies available, particularly when it comes to Power Delivery (PD) chargers.

In this blog post we'll break down all the basics of PD charging to make understanding it that much simpler.

What Is a PD Charger?

Let's start with, what does PD mean on a charger. PD stands for Power Delivery. A PD charger (Power Delivery charger), is a fast-charging solution that uses USB technology to deliver higher power levels, enabling quicker and safer charging for a wide range of devices, including smartphones, tablets, and laptops. It allows devices to communicate with the charger to ensure optimal power delivery, adjusting to the needs of each device for more efficient charging.

What Is USB-PD?

USB Power Delivery (USB-PD) is a versatile charging technology designed to power a wide range of USB devices. Normally, every USB-charged device would have its own unique adapter, but that is no longer the case.

With the introduction of USB Power Delivery (PD) 3.1 Specification by the USB Implementers Forum (USB-IF) in 2012, a single universal PD charger can now power a wide range of devices. The latest generation of USB-PD can deliver maximum power output, but only when paired with the newest USB-C PD port technology. This standard allows the USB Type-C cables and connector to deliver up to 240W of power, offering faster and more efficient charging compared to older technologies.

Features of PD Charging

USB Power Delivery (PD) is an advanced charging technology designed to deliver faster, more efficient power to a variety of devices. Here’s a summary of its standout features based on USB-IF:

• Higher Power Output:The main benefit is that typical power levels can now go up to 240W thanks to PD fast charging. As a result, your smartphone will be able to charge more quickly.
• Adjustable Voltage:PD charging supports multiple voltage levels, including 28V, 36V, and 48V. It also offers an adjustable voltage mode, allowing devices to request intermediate voltages between 15V and the maximum, providing efficient and flexible charging.
• Bidirectional Power Flow:Unlike traditional charging technologies, USB Power Delivery is bidirectional. This means that power can flow both to and from the device, allowing for features like charging a laptop from a smartphone or powering accessories from other devices.
• Simultaneous Device Charging:USB PD can charge multiple devices at the same time without overloading the power supply. Smaller devices, like headsets, draw only the minimal power they need, while larger devices can receive higher power, optimizing energy use.
• Smart Communication:With USB PD, chargers and devices communicate to ensure the right amount of power is delivered. This intelligent communication optimizes charging speed, enhances safety, and improves efficiency by adjusting to the specific power needs of each device.

Safety Concerns about PD Charging

The USB PD chipset consistently provides the correct amount of power. Whether it's a laptop or a smartphone, the charger detects the connected item and negotiates the necessary power to charge it as rapidly as possible. Through this negotiation, a speedy charge is made possible without using excessive power or harming the device's circuitry.

The majority of mobile phone manufacturers are now moving toward rapid charging. The mobile phone also has an intelligent battery management system, so when charging in various circumstances, smart charging protection automatically activates. Therefore, the smartphone will be automatically safeguarded during fast charging. The service life of the mobile phone battery won't be harmed by the USB PD charger. However, remember to use a suitable cable for high wattage charging, to reduce the risk of cable fire.

What Are the Best PD Chargers in 2025?

As more devices adopt USB Power Delivery technology, it’s important to choose a charger that offers the right combination of power, reliability, and versatility. Here are our recommendations for you to save time on searching in the market:

Anker Prime 67W GaN Wall Charger (3 Ports)

The Anker Prime 67W GaN Wall Charger is one of the top choices for those seeking fast and efficient PD charging. With two USB-C ports supporting Power Delivery (PD), it delivers up to 65W of power, ensuring rapid charging for your phone, tablet, or laptop. Its compact size makes it easy to take anywhere, while the ActiveShield™ 2.0 technology provides an added layer of safety for your devices. Perfect for on-the-go charging, this PD charger combines speed, portability, and reliability.

Anker Prime Charger (100W, 3 Ports, GaN)

The Anker Prime Charger (100W, 3 Ports, GaN) is an excellent choice for fast and efficient charging, supporting USB Power Delivery (PD) protocol. With a total output of 100W, two USB-C and one USB-A port, it allows you to charge up to three devices at once, including laptops, tablets, and smartphones. The charger’s compact design and durable build make it a reliable, on-the-go solution for PD charging.

Anker 747 Charger (GaNPrime 150W)

The Anker 747 Charger (GaNPrime 150W) offers fast USB PD charging for up to four devices simultaneously, with a 100W output from one USB-C port. It’s 38% smaller than an Apple 140W charger, yet provides more power. Featuring ActiveShield 2.0, it intelligently monitors temperature to protect your devices.

Conclusion

What is a PD charger? To summarize, a PD charger is an accessory to fast-charge various devices, even the most power-demanding ones. PD charging can deliver up to 240W of power. It is bidirectional and guarantees that your devices won't be overcharged. Nonetheless, note that it requires a suitable cable for this feature to work safely. As a matter of fact, you can choose one Anker PD Charger and get the best PD charger as well as a special cable to safely fast-charge your devices using PD technology.

FAQs

Can I Use a PD Charger with Any Phone?

You can use a PD charger with most modern smartphones, but the charging speed depends on whether the phone supports USB Power Delivery (PD). If your phone is compatible with PD, it will charge faster when connected to a PD charger. However, phones that don’t support PD will charge at standard speeds, as the charger will adjust the power output accordingly. Always check your phone's specifications for PD support.

Is PD the Same as USB-C?

It's different. USB-C refers to the physical connector and cable type, while PD is a charging protocol that allows for faster, more efficient power delivery through a USB-C connection. While USB-C is commonly used with PD, they are distinct technologies: USB-C is the connector, and PD is the standard for managing power transfer.

How Do I Know If I Have a PD Charger?

Read the specifications. In most fast-charging cables and accessories. A little description with the words "rapid charging", "Quick Charge 2.0" or "QC3.0" should be found. An instant way to know if you have a PD charger is to connect the charger to your device. In contrast to a conventional charger, a fast charger will display a lightning bolt in your device's charging icon, to show that it is currently in fast-charging mode.

What is PD on a computer?

PD (Power Delivery) on a computer refers to a fast charging standard that allows devices to negotiate power levels between the charger and the laptop. It enables faster and more efficient charging over a USB-C connection, ensuring optimal power delivery based on the laptop's needs.

Can USB-C PD transfer data?

Yes, USB-C with PD (Power Delivery) can transfer data, but power delivery and data transfer are separate functions. Devices with USB-C ports can transfer data and charge simultaneously, as long as the cable and devices support both data transfer and PD protocols.