Joybuy Insights

How to Choose the Right USB-C Charger for Your Devices

USB-C is now everywhere, but finding the right charger remains a minefield. Between promises of "ultra-fast" charging and technical jargon like "GaN" or "Power Delivery," it's easy to make a mistake. Yet, an unsuitable charger isn't just slow: it can also prematurely damage the batteries of your valuable devices.

Before you buy, watch out for these two common pitfalls:

  1. The Total Wattage Myth: Many multi-port chargers advertise an enticing figure (e.g., 100W), but this power is actually shared across all ports. Plug in multiple devices, and the power allocated to each one plummets, turning the promised fast charge into an endless wait, especially for a laptop.
  2. The Compatibility Illusion: Even a very powerful charger will only deliver its full capacity if your device (smartphone, PC) and your cable "speak the same language"—that is, if they use the same charging protocol (e.g., Power Delivery). Buying a high-wattage charger without checking this is like getting a sports car just to parallel park: you're paying for speed you'll never use.

The 3 Criteria That Truly Make a Difference

To avoid disappointment, focus on these three features. They are what determine the performance and versatility of your next USB-C charger.

1. Wattage and the Power Delivery (PD) Protocol

Wattage (W) determines charging speed. But on its own, it guarantees nothing. The Power Delivery (PD) protocol acts as the conductor: it's an intelligent standard that allows the charger and the device to communicate, safely delivering the precise amount of power needed.

  • For a smartphone (iPhone, Samsung, Pixel): 20W to 30W is more than enough for a fast charge.
  • For a tablet or ultrabook (iPad, MacBook Air): Aim for 45W to 67W.
  • For a powerful laptop (MacBook Pro, Dell XPS): A MacBook charger of at least 100W is essential for efficient charging, even while in use.

2. The Number and Type of Ports

Gone are the days of charging just one device at a time. A good USB-C power adapter must meet your needs for today and tomorrow.

  • USB-C Ports: Prioritise models with multiple USB-C ports. These are the ones that handle Power Delivery and ensure fast charging for modern devices.
  • USB-A Ports: A USB-A port can still be useful for older devices or accessories like a smartwatch or headphones.
  • Multi-port charger or charging station: If you need to charge more than three devices simultaneously (phone, computer, tablet, etc.), a charging station with 4 or more ports is the ideal solution to declutter your desk or nightstand.

3. GaN (Gallium Nitride) Technology

GaN chargers are a game-changer. Gallium nitride is a semiconductor that replaces traditional silicon. The advantages are immediate:

  • Compactness: GaN chargers are up to 50% smaller and lighter than traditional chargers of the same wattage. A must-have for light travellers.
  • Energy Efficiency: They generate less heat and therefore waste less energy. This is a win for the longevity of the charger, your devices, and the planet.

Be aware, GaN isn't a magic label that automatically makes a charger superior. But at the same wattage, a GaN model will always be more compact and run cooler.

Recommended USB-C Chargers

To help you choose, we've selected three models that meet specific needs, applying our criteria to the letter.

IDEAL FOR: THE NO-FUSS USER
Belkin 20 W USB-C Power Delivery Wall Charger for Mobile Phones, Includes a 1 m USB-C to USB-C Cable, White

Belkin 20W USB-C Power Delivery Wall Charger

Why it's the right choice: Perfect for quickly charging your smartphone, and only your smartphone. A simple, reliable, no-frills solution without paying for features you don't need.

Why it won't let you down

With its 20W output and PD protocol, it's tailor-made for fast-charging smartphones. No overblown marketing promises, and the cable is included: it just works.

Key Strengths

Power Delivery 3.1 certification for safe and optimised charging. 1m USB-C to USB-C cable included, a great bonus so you don't have to pay extra.

IDEAL FOR: THE MOBILE PROFESSIONAL
Anker Prime 67W GaN USB C Fast Charger, Compact Foldable 3-Port

Anker Prime 67W GaN Fast Charger (3-Port)

Why it's the right choice: The go-to for professionals on the move. It lets you simultaneously charge a laptop, smartphone, and headphones with a single, ultra-compact block. No more bags overflowing with chargers.

Why it won't let you down

It avoids the shared-power pitfall by guaranteeing 67W on a single port, enough to effortlessly power a MacBook Air. Thanks to GaN technology, it replaces three chargers while taking up no more space than one.

Key Strengths

GaN technology makes it 51% smaller than an equivalent Apple charger. Its 3 ports (2 USB-C, 1 USB-A) offer maximum versatility with a minimal footprint.

IDEAL FOR: THE DESKTOP POWER USER
Anker Prime 250W USB C Charger, Ultra-Fast 6-Port GaN Charging Station

Anker Prime 250W Charging Station (6-Port)

Why it's the right choice: The ultimate solution for those juggling an arsenal of devices. Laptop, tablet, smartphone, watch... this single station powers everything at once, and at full speed.

Why it won't let you down

With a colossal power reserve of 250W, sharing is no longer an issue. It can deliver up to 140W on a single port (enough to power a 16-inch MacBook Pro) while charging 5 other devices. No compromises.

Key Strengths

A massive 250W output distributed across 6 ports for a finally organised desk. The bonus feature: its LCD screen displays the power delivered to each device in real time.

Looking for other options?

Discover our full selection of chargers that meet our performance criteria and European safety standards.

Frequently Asked Questions (FAQ)

Can a 100W USB-C charger damage my phone that only needs 20W?

Absolutely not. That's the magic of the Power Delivery (PD) protocol: the charger and your device "negotiate" to agree on the ideal wattage. Plugging a 20W smartphone into a 100W charger is therefore completely safe. The charger will automatically limit itself to 20W.

What's the difference between a USB-C port and a USB-A port?

USB-C is the new standard: it's smaller, reversible (no more fumbling to plug it in!), and most importantly, it's the only one capable of handling powerful fast-charging protocols like Power Delivery. USB-A, its larger predecessor, is much more limited in power. For truly fast charging, USB-C isn't an option—it's a requirement.

Do I need a special cable for fast charging?

Yes, and this is a crucial detail. For fast charging above 60W, a basic cable won't cut it. You need a USB-C cable specifically rated to handle 100W (or more). Without it, even the best charger will be throttled, and your charge will be as slow as with an old model. Always remember to check the cable's specifications before buying.