How to Choose a Gallium Nitride (GAN) Charger in 2025

As charging technology advances, devices such as Macbooks, Nintendo Switch game consoles, and thin - and - light laptops from various brands are starting to abandon bulky transformer chargers and switch to using original chargers for power supply. GaN (gallium nitride) chargers use the latest semiconductor material. Not only can they provide extremely high charging power, but they also significantly reduce heat generation and volume. They can easily connect and charge both mobile phones and laptops, which is quite convenient.

However, there are many products on the market with different power ratings and performance levels, such as 65W, 100W, etc., which may leave novice users confused. Therefore, this time we will explain the specifications, principles, and other details of gallium nitride chargers, and recommend 8 products for everyone to compare and choose from. We hope that everyone can refer to these items to find a suitable model.

I. Shopping Guide for Gallium Nitride Chargers

Since gallium nitride chargers can provide extremely high charging power, in addition to confirming how many devices at home need to be charged simultaneously and selecting the model according to the device type, it is also necessary to confirm whether it is safe to use, so as to have a comfortable and fast charging environment and quickly recharge mobile phones and other items!

1. The Difference between Gallium Nitride Chargers and Ordinary Chargers

2. Pay Attention to the Number and Type of Built - in Connectors
When choosing a gallium nitride charger, first confirm the number of built - in connectors. Although a single - connector model can only charge one device at a time, due to its relatively simple structure, it can effectively reduce the volume and does not need to share power with other items, which can greatly increase the charging speed. The advantage of multi - connector models is that they can connect multiple different devices at once, but due to the limitations of the charger's performance, they may not be able to enjoy full power output.

In addition, also pay attention to the type of connectors. Currently, most of the connectors of transmission lines or charging cables are USB Type - A. Although the output current is relatively low, it is very convenient for charging general devices because it is easy to obtain and has high versatility. As for mobile phones and Macbooks and other products that support high - current charging, the charging efficiency can be improved through USB Type - C.

3. Select the Appropriate Power According to the Device
Power is the value obtained by multiplying voltage (V) by current (A), usually expressed in watts (W). The larger the value, the higher the current. Different devices require different power levels. For example, the Nintendo Switch supports a maximum charging power of 18W, and for mobile phones, it depends on the model, mostly between 18W and 65W. As for Macbooks powered by USB Type - C, there are 5 specifications of 29W, 30W, 61W, 87W, and 96W according to performance differences.

Since the maximum charging power that each device can accept is different, it is recommended to confirm the model, type, and other information of the devices in hand before purchasing, and then screen out the suitable chargers.

4. Confirm Whether It Supports Relevant Fast - Charging Protocols
With the increasing battery capacity of mobile phones, the previous charging specifications are now very inefficient. Therefore, many fast - charging protocols have emerged. The most common ones are Quick Charge (QC) launched by Qualcomm and USB Power Delivery (PD) proposed by the USB Implementers Forum. Both can greatly increase the charging speed. In particular, recent Apple series devices almost all support the PD fast - charging protocol. If you want to shorten the charging waiting time, be sure to confirm whether the charger supports these specifications.

In addition, some brands also have their own exclusive fast - charging specifications, including SAMSUNG's fast charging, Huawei SuperCharge, and OPPO SuperVOOC. If you have devices of these brands, pay attention to whether the charger supports the corresponding fast - charging protocol to achieve the fastest charging speed.

5. If You Need to Carry It Out, Consider the Volume and Weight
One of the characteristics of gallium nitride chargers is that they generate little heat, so they can greatly reduce the volume and weight. However, since the higher the charging power, the more space is required for heat dissipation or adding components, the size of each model is different. If you often need to carry the charger out, in addition to paying attention to the power required by the device, try to choose a more compact product so as not to cause a burden.

6. It Is More Reassuring to Have Safety Protection Functions
Since it is a product that comes into contact with electricity, it is naturally necessary to pay attention to whether it has various built - in safety protection measures to avoid accidents. Usually, gallium nitride chargers on the market must pass the inspection of the inspection bureau before they can be sold. In principle, they already have basic safety functions. However, some chargers, in addition to over - voltage, over - heat, and short - circuit protection, will add other items such as electromagnetic protection and electrostatic protection. You can choose a suitable model according to your personal needs.

ESC factory focuses on creating the most professional, safe, and reliable fast - charging power banks, fast - charging chargers, and other products for users who need fast charging. If you are still troubled by the fast - charging speed, please contact us in a timely manner. We will definitely answer your concerns as soon as possible. 

Why Choose ESC GaN Chargers?

ESC specializes in professional-grade fast-charging solutions featuring:
🔥 Military-grade GaN chips (Navitas/Innoscience)
🔥 Dynamic power allocation across ports
🔥 Multi-protocol support (PD3.1/QC5.0/SCP/VOOC)
🔥 94% energy efficiency (UNEP Tier 2 certified)