GaN technology - compact and efficient chargers

GaN (Gallium Nitride) technology allows modern chargers to be more compact, more efficient and cooler in use, delivering high power for phones, tablets and laptops. Below you'll find how it works, what benefits it brings and which Vetter products you can use for a reliable setup at home or when travelling.

1. What is GaN and how it works

GaN (Gallium Nitride) is a next-generation semiconductor material that replaces the classic silicon transistors in chargers. The result: lower power loss, less heat and the ability to deliver high power in a compact form factor.

  • Higher efficiency: gallium nitride transistors have lower losses than silicon, reducing heat and increasing efficiency.
  • Reduced size: components can be smaller without sacrificing load power.
  • Thermal stability: better heat management and integrated electronic protections for safety in everyday use.
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2. Why choose a GaN charger

GaN chargers are designed for users who use multiple devices (phone, tablet, laptop) and want fast, safe charging and a compact office or travel setup.

  • High portability: small charger, easy to put in your backpack or bag, including travel models with international adapters.
  • Universality: powers iPhones, Samsung, tablets, TWS headsets and USB-C Power Delivery and PPS compatible laptops.
  • Safety: surge, over-voltage, over-current, short-circuit and overheating protections according to international standards.
  • Energy efficient: less energy wasted as heat, which also helps protect the battery in the long term.
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3. Which wattage (W) to choose for your devices

The power of the GaN charger is chosen depending on the type of devices you want to charge and whether you want simultaneous charging on multiple ports.

  • 20-30W: sufficient for iPhone, Android phones, TWS headsets and most accessories.
  • 45-65W: recommended for tablets, iPads and many PD/PPS-compatible ultrabooks.
  • 65-100W: for USB-C Power Delivery laptops, plus simultaneous charging for multiple devices.

For fast and stable charging, it's important to use certified Type-C PD certified cables, which can withstand high currents and high voltages.

GaN chargers

Compact, efficient chargers suitable for office and travelling. Single or multi-port models, PD and PPS compatible.

View GaN chargers

Travel chargers

Universal adapters with GaN technology, ideal for over 200 countries, with multiple USB-C and USB-A ports.

See travel chargers

Type-C PD cables

Type-C cables designed for fast charging, needed to reach the maximum power of your GaN charger.

View Type-C cables
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4. Practical recommendations for use

  • Use the right cables: for fast charging, choose certified Type-C PD cables.
  • Avoid crowded extension cords: plug your GaN charger directly into a safe, well-ventilated socket.
  • Watch out for simultaneous charging: on multi-port chargers, power is dynamically split between devices; prioritise the main device when needed.
  • Respect device specifications: check what maximum power your phone or laptop can handle and choose your charger accordingly.
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5. Frequently asked questions about GaN chargers

1. What is GaN technology?

GaN (Gallium Nitride) is a semiconductor material that enables chargers to be smaller, more efficient and deliver higher power with less heat than traditional silicon-based chargers.

2. Are GaN chargers safe?

Yes. GaN chargers from reputable manufacturers include over-voltage, over-current, short-circuit and overheating protections and meet international safety standards for everyday use.

3. Can I charge my laptop with a GaN charger?

Yes, if your laptop supports USB-C Power Delivery charging and the GaN charger has the required power (e.g. 65W or 100W). For best results, use certified Type-C PD cables.

4. What GaN power is suitable for my phone or tablet?

For phones a 20-30W GaN charger is generally sufficient, for tablets and ultrabooks a 45-65W charger or more is recommended, depending on the device specifications.

5. Does GaN technology affect battery life?

No. Due to their energy efficiency and better thermal control, GaN chargers maintain a lower temperature during charging, which helps protect the battery in the long term, as long as you use compliant accessories.

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