Does fast charging damage the battery?

No. Phones made from 2020 onwards manage charging speed and temperature themselves, so fast charging is safe for everyday use. If you want to stretch battery life as far as possible, wired charging at a moderate 10–20 W is the gentlest option.

Can I use any USB-C charger?

Yes, USB-C is a common standard. Fast charging, however, only works with a compatible charger (Quick Charge, USB-PD, SuperVOOC). Always use a certified charger — an uncertified one charges slowly and can be unsafe.

Wireless or wired charging — which is better?

Wired is faster and more efficient, because less energy turns into heat. Wireless is more convenient but slower and runs warmer. For long-term battery health wired is slightly better, though with current technology the difference is small.

How powerful a charger do I need?

It depends on the phone: iPhone accepts 20–27 W, Samsung Galaxy 25–45 W, and OnePlus and Xiaomi flagships 80–120 W. There is no need to buy the most powerful one — 20–30 W is enough for most phones and works with everything.

What power bank capacity should I choose?

10,000 mAh covers normal use — two to three full charges. If you travel a lot, 20,000 mAh is the better choice. Check the output power too: 20 W or more means the power bank can fast charge.

Phone charger Blue Star Slim GaN 2 x USB C QC4.0 PD...

Name: Phone charger Blue Star Slim GaN 2 x USB C QC4.0 PD 3A 30W TFK-SC-30WCC black
Brand: Blue Star
SKU: 2701502
Price: 7.99 EUR
Availability: InStock

Description

The modern Blue Star Slim GaN wall charger is designed for fast and safe charging of smartphones, tablets, and other mobile devices. Thanks to GaN technology, it is not only highly efficient but also exceptionally small and convenient for everyday use.

GaN technology

GaN (gallium nitride) technology enables the creation of smaller and more energy-efficient chargers. The Blue Star Slim GaN measures just 8.2 × 3.2 × 1.1 cm.

Fast charging – PD, QC 4.0 and Super Fast Charging 2.0

The charger supports modern fast charging standards such as Power Delivery (PD), Quick Charge 4.0 (QC 4.0), and Super Fast Charging 2.0. This means even shorter charging times and full compatibility with many popular devices.

Two USB-C ports

The Blue Star Slim GaN is equipped with two USB-C ports, allowing you to charge two devices simultaneously – such as smartphones, tablets, headphones or power banks – quickly and conveniently.

Safety

The charger is CE and RoHS certified, confirming compliance with safety standards. It also protects your devices against overheating, overloading, and power surges.

Specifications:

Model: TFK-SC-30WCC

Input: AC 180–240 V; 50/60 Hz 1 A

Output power: 30 W

USB-C 1: 5 V / 3 A; 9 V / 2 A; 12 V / 2 A; 15 V / 2 A; 20 V / 1.5 A (30 W)

USB-C 2: 5 V / 3 A; 9 V / 2.5 A; 12 V / 2 A; 15 V / 2 A; 20 V / 1.5 A (30 W)

USB-C 1 + USB-C 2: 15 W (combined)

Ports: 2 × USB-C

Certificates: CE, RoHS

Dimensions: 8.2 × 3.2 × 1.1 cm

Fast charging protocols: PD, QC 4.0, Super Fast Charging 2.0

Technical Specifications

Connector type

USB-C

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Phone charger Blue Star Slim GaN 2 x USB C QC4.0 PD 3A 30W TFK-SC-30WCC black

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