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.

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Power Banks

Power Bank WK Design "WP-50" Blue 20000mAh (45W)

Name: Power Bank WK Design "WP-50" Blue 20000mAh (45W)
Brand: WK Design
SKU: 7002070
Price: 34.99 EUR
Availability: OutOfStock

SKU: 6941027652589

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Color

Blue

Protection

Reliable device protection

Quality

Premium materials

Perfect Fit

Designed for your device

Description

The blue WK Design WP-50 power bank keeps several devices ready during travel or a busy day away from a socket. Its 20000 mAh battery and up to 45 W fast charging suit compatible phones, tablets and other mobile equipment, while four outputs make sharing power straightforward. Built-in USB-C and Lightning leads reduce the number of loose cables to carry, and the clear display makes the remaining charge easy to check.