Gallium Nitride (GaN) is starting to become an important material in the technological world, recently making appearances in several types of consumer devices such as wall chargers. They’re commonly known as GaN chargers that use gallium nitride materials in their electrical components. This, in turn, makes them capable of delivering a larger amount of power to connected devices in a shorter amount of time, compared to classic silicon-based chargers. Gallium Nitride also helps to keep the battery safe by preventing an overcharge and they deliver a fast charging experience, all while staying compact.
Compared to traditional chargers, GaN wall chargers are generally 15% smaller. This is mainly because they require fewer components than other semiconductors, like silicon. They generally rely less on materials, such as filters, heatsinks, and circuit parts, resulting in improved efficiency. Plus, the compound is capable of conducting much higher voltages (up to 1,000 times more efficiently) and can endure higher temperatures than silicon over time. This is mainly due to GaN’s 3.4 eV bandgap vs. Silicon’s 1.12 eV.
Not only are they more efficient at transferring current, but the chargers also lose less energy to heat (up to 40%), which means more energy is sent to the device that’s being charged. GaN chargers are also a lot cooler, temperature-wise.
These types of chargers can easily power smartphones with fast charging and larger devices like laptops. Since laptops need more power than a smartphone, they usually come with large power chargers or can usually be charged with large capacity power banks, so GaN can potentially eliminate that need. Currently, the technology is more costly to manufacture than traditional semiconductor materials, so not every manufacturer has started producing GaN devices. But as the costs will go down in the following years, we might see a mass replacement of silicon-based devices to GaN-based ones.
We have covered GaN Technology more extensively in a previous article.
Our top GaN wall charger picks
Anker PowerPort Atom III 60W GaN charger
- Total 60 Watt Output
- Safe charging technology
- Compatible with most tablets, mobile devices and laptops
- USB-C port features Power IQ 3.0 and Power Delivery (45 Watt output)
- USB-A port features Power IQ 2.0 (15 Watt output)
- Fast charging with any device
- Simultaneous charging
- 18-month manufacturer’s warranty
Last update on 2021-08-02 / Affiliate links / Images from Amazon Product Advertising API
The Anker PowerPort Atom III charger features dual USB ports. The USB-C is intended to charge devices like laptops, smartphones and tablets and it features Power IQ 3.0 with support for Qualcomm Quick Charge and power delivery. On the other hand, the USB-A contains Power IQ 2.0, which can also charge smartphones. The built-in fast charging technology enables you to power up your gadgets up to 2.5x faster than traditional chargers.
This wall charger is compatible with a wide range of Apple and Samsung smartphones/tablets. They include the iPhone 11, 11 Pro, 11 Pro Max, XS, XS Max, XR, X, 8 Plus, 8, 7, 7 Plus, 6, Samsung Galaxy S8 to S10, MacBook laptops, HP Spectre, Dell, Lenovo, Huawei MateBook, Samsung Notebook, Xiaomi Air and more. It also supports iPad Pro, Google Pixel and Huawei devices. Thanks to simultaneous charging. two connected devices can be charged at the same time.
Built with gallium nitride, the wall charger has TUV certification for the components; ensuring your devices are safe while powering up. The compact size also makes it 15% smaller than a MacBook charger, except it has more components in it.
Read our full review of the Anker PowerPort Atom III.
RAVPower 61W Wall Charger
RAVPower’s 61W wall charger is built with GaN technology and a Pi chipset for a small design that maximizes charging efficiency to 93% and reduces power loss while staying cool. The reduced size makes it 50% smaller than MacBook’s 61W chargers and it’s slim enough to take just about anywhere. Built with safety in mind, it features safeguards to prevent the device from overcharging, overheating and short-circuiting. However, the charger can get pretty warm if it’s constantly used, but it meets the safety limits of standard certification.
It’s also compatible with a variety of devices with power delivery, such as laptops, smartphones, tablets and more from Apple, Samsung, and other companies. Devices include iPhone, Samsung Galaxy, Huawei, Nintendo Switch, Google Pixel, MacBook Pro, Dell XPS, iPad Pro, Spectre, and many more.
Charging times for each device varies. It can take 1.8 hours to charge the 13” MacBook from 0 to 100%, with the iPhones taking up to 2 hours quicker than the standard 1A chargers. It has a rating of 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3A, 20. 3V/3A, 61W max.
Aukey 65W Dual Port PD Wall Charger
Aukey’s 65W wall charger features two USB-C ports with fast charging for smartphones, laptops or USB-C devices that support USB power delivery. Powered by GaN, this device offers the ultimate charging experience with higher efficiency. This charger also contains a foldable wall prong, giving it a portable design.
The dynamic detect feature allows the charger to provide 65W power delivery when only the first port is being used. It will also share the power when both ports are simultaneously charging connected devices, providing 45W to the first port and 18W to the second. USB-C output 1 has a rating of 5V/3A, 9V/3A, 12V/2.5A, 15V/3A, 20V/3.25A. Meanwhile, USB-C output 2 charges devices at 5V/3A, 9V/2A, 12V/1.5A.
The charger is also compatible with a variety of devices, including 15” MacBook Pro, 13” MacBook Pro, 13” MacBook Air, 12” MacBook Air, HP, 13” Dell XPS, iPhone 11 Pro/11 Pro Max/ 11 / XS / XS Max / XR / X, AirPods Pro, Pixel 3 / 3XL, Nintendo Switch and much more.
It also has built-in safeguards to ensure your devices are protected against overheating and overcharging.
CHOETECH 61W Power Delivery Wall Charger
The CHOETECH 61W power delivery wall charger supports quick charging for devices, such as smartphones, laptops, tablets, and more. It also comes with a built-in smart identification chip that automatically identifies the current and voltage needed for a connected device. Built with GaN technology, the charger is 50% smaller than traditional 61W MacBook chargers. This ensures it performs with high efficiency charging while reducing energy loss.
It’s also capable of charging a MacBook Pro 13” in 2 hours, MacBook Air in 1.6 hours, Dell XPS 13 in 2.5 hours, and HP Spectre X360 in 2.3 hours. However, in order to quick charge a device, it will require a USB-C to C Cable.
The charger is compatible with a wide range of laptops, mobile devices, and tablets. They include 2019, 2018 MacBook 12”/MacBook Pro 13”/ Pro 15”/Air, 2019 MacBook Pro 16”, Dell XPS 13, HP Elite X2/Elite Book X360/Specter 13/Specter 15/Specter 360, Huawei MateBook, Lenovo ThinkPad X1/Yoga730, iPad Pro, iPad Mini 5 7.9″, iPhone 11/11 Pro/11 Pro Max/Xs/XR/X/8, Pixel 4/4XL/3/3XL, Samsung Galaxy S10+/S10/S9, Nexus 5X 6P, and Nintendo Switch. .
Bundled with safety features, the charger is TUV Certified. Not only is it made of fire retardant PC material, but it’s also designed to provide protection from overheating, overcurrent, overvoltage, and short-circuit for connected devices.
Built-in GaN technology wall chargers are generally more reliable and lightweight than traditional devices. This is because they tend to have safety features built-in. Plus, with GaN, you’re pretty much guaranteed a fast charge for your connected devices along with performance improvements over traditional chargers.