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.

Power Banks

Dudao K28 10000mAh PD 22.5W MagSafe Powerbank with Metal Case and Ring Stand - Silver

Name: Dudao K28 10000mAh PD 22.5W MagSafe Powerbank with Metal Case and Ring Stand - Silver
Brand: Dudao
SKU: 552
Price: 17.99 EUR
Availability: InStock

SKU: 6977196680139

Price

€17.99

In stock in Panevėžys

Pick up right away or we'll ship it today

Marijonų g. 27, Panevėžys

14 dienų grąžinimas
Gamintojo garantija
Saugus atsiskaitymas
Nemokamas pristatymas nuo 30.00 € To Unisend / SmartPosti parcel locker

Delivery

Pick up at our store

September 8 (FREE)

Pick up at Omniva, LP Express, SmartPosti parcel locker

September 9‑11 (from 2.29 €) (FREE from 30 €)

Delivery to home / office

September 9‑11 (from 4.99 €)

Color

Silver

Protection

Reliable device protection

Quality

Premium materials

Perfect Fit

Designed for your device

Description

The silver Dudao K28 is a 10,000 mAh lithium-polymer power bank with wired and Qi wireless outputs. Its magnetic attachment is compatible with MagSafe-equipped devices and accessories.

Charging standard stated by the supplier: PD20W.
Nominal battery voltage: 3.85 V; one USB-C input and three outputs (USB-C, USB-A and wireless).
USB-C input: 5 V / 3 A, 9 V / 2 A or 12 V / 1.5 A (up to 18 W).
USB-C output: 5 V / 3 A, 9 V / 2.22 A or 12 V / 1.67 A (up to 20 W).
USB-A output: 5 V / 3 A, 9 V / 2 A, 10 V / 2.25 A or 12 V / 1.5 A (up to 22.5 W).
Wireless output: 5 W, 7.5 W, 10 W or 15 W.
Foldable metal ring: rotates 360° and folds through 180° for use as a stand.
LED battery-level indicators.
Housing: metal and plastic; colour: silver.