How does fast charging work and what do you need for it?

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You know that feeling when you need to quickly recharge your phone before you leave and a regular charger only delivers a few percent in ten minutes? That's where fast charging comes in - the technology that gives you peace of mind (and a battery over 50%) in minutes. We explain how it works, what you need to use it, and how Cubenest products support fast charging.

What is fast charging?

Fast charging means that the device is charged at a higher wattage (W) than the standard 5 watts.
This is achieved by a combination of higher voltage and/or current.
For example:

Standard charger: 5 V / 1 A = 5 W
Fast charger: 9 V / 2 A = 18 W
Some models reach up to 30-100 W or more (e.g. for laptops)

What do you need for fast charging?

1. A device that supports fast charging

iPhone 8 and newer: support 18-27 W via USB-C/PD
New Android phones: often 25 W, 33 W, even 67+ W

Tablets and laptops: require even higher power (30-100 W)

2. A charger with sufficient power

For example, Cubenest GaN chargers with outputs of 30 W, 65 W or more.

GaN technology (Gallium Nitride) allows smaller size and higher efficiency without overheating.
Our most powerful charger Gan S6D0 with 240 W can handle fast charging of up to 6 devices 👉link here

Tip: even if your phone has a 20W limit, a 65W charger will still help - it will provide exactly as much as your phone can safely take.

3. A cable that can handle more power

Not every cable is the same. Fast charging requires a quality USB-C cable, preferably:

Certified for Power Delivery (PD)
Supporting a minimum of 60W/3A
Cubenest products often include quality cables already in the package - or they can be purchased separately.

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Fast charging and wireless technology

MagSafe charging for iPhones: up to 15W (when using an original or certified charger)
Qi wireless charging: typically 5 W, some power banks up to 15 W
Qi2 - a new wireless fast charging standard with magnetic alignment and higher efficiency
At cubenest, we offer chargers with both Qi and Qi2 support, so you're ready for the future of wireless fast charging.

Summary: What do you need for fast charging?

Phone/tablet - Support for fast charging (PD, QC...)
Charger - Power of at least 18-30 W, ideally GaN
Cable - USB-C with 60W support or more
Wireless - Qi2 or MagSafe 15 W compatibility

Fast charging in Cubenest products

✅ GaN chargers with output from 30W up to 240 W. Find 👉 here
✅ Powerbanks and MagSafe holders with Qi / Qi2 fast charging support
✅ MagSafe 3in1 chargers with up to 15W for iPhone, Apple Watch and AirPods

Fast charging is the standard today, saving time and nerves
With quality equipment from Cubenest, you can use it to its full potential - whether you're at home, at work or on the road.