“Is your phone charging slower than usual?”
“Is your laptop charger too heavy to carry around?”
Do you feel a little stress every time you charge your phone or computer?
In recent years, the world of chargers has undergone a revolution.
If you are still using the old charger that came with your phone or a cheap cable from a dollar store, you might be wasting precious time.
With the latest technology, what used to take 2 hours can now be done in 30 minutes, and brick-heavy laptop adapters can be reduced to the size of an egg.
In this article, we explain USB Power Delivery (PD) and Gallium Nitride (GaN) — two technologies you need to know about — in simple terms without jargon.
By the end, your bag will be dramatically lighter, and you will be free from the frustration of waiting for devices to charge.
Not All USB-C Cables Are the Same
Modern smartphones and PCs are increasingly adopting the oval-shaped USB Type-C connector.
“Doesn’t any cable work as long as the plug fits?”
That is a common misconception — and a big trap.
USB-C is just the shape of the connector. The performance varies widely:
- Data-only cables (extremely slow charging)
- Standard charging cables (fine for phones)
- Fast-charging cables (can handle laptops)
They all look the same, but what is inside is completely different. This is the real reason many people experience slow charging.
Keyword 1: PD (Power Delivery) — The Fast Charging Standard
To dramatically speed up charging, you need USB Power Delivery (PD).
Traditional USB chargers (like the old square iPhone charger) can only output about 5W. In hose terms, that is a trickle.
With PD-compatible chargers and cables, you can deliver 20W-30W for phones and 60W-100W for laptops — a completely different level of power.
This is how fast charging can reach 50% or more in just 30 minutes.
Keyword 2: GaN (Gallium Nitride) — Making Heavy Adapters a Thing of the Past
“Powerful chargers must be big and heavy, right?”
That used to be true a few years ago. But then came GaN (Gallium Nitride), a new material.
Traditional chargers use silicon, but GaN generates less heat and is more energy efficient.
As a result, we can now create chargers the size of a small dice that can still power a laptop.
Going forward, choosing a charger labeled “GaN” is the smart move.
3 Tips for Choosing the Right Charging Setup
So what should you buy? Here are three key points.
1. Choose a 45W-65W GaN Charger
In the world of charging, bigger capacity covers more needs.
20W is enough for a phone, but you might buy a tablet or laptop later. We recommend a 45W-65W GaN charger that can handle both phones and PCs.
2. Choose a PD-Compatible, 100W-Capable Cable
Even with a powerful charger, a thin cable is like a narrow pipe — it defeats the purpose.
Look for cables labeled “PD compatible” or “100W compatible”. Cheap dollar-store cables are often not PD-compatible, so be careful.
3. Two Ports Are Convenient
At a cafe or on the Shinkansen, there is often only one outlet.
A charger with two USB-C ports lets you charge your phone and earbuds, or your phone and laptop, simultaneously — very convenient.
Warning: Discard Old Cables
We do not recommend using old spare cables you have lying around.
Using outdated, incompatible cables not only slows charging but can also cause heat-related issues.
When upgrading your charging setup, get rid of old cables and standardize on reliable PD-compatible cables.
Summary: Investing in Your Charging Setup Is the Best Time-Saving Hack
- Not all USB-C cables are the same
- PD support enables blazing-fast charging
- GaN makes chargers incredibly small and light
Upgrading your charger and cable costs around $30-50 total.
But considering the daily time saved from waiting for charges and the freedom from heavy luggage, there is no better cost-performance investment.
Try upgrading your charging setup today!