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 K31 10000 mAh 22.5W PD Powerbank with Built-in Cable - Black

Name: Dudao K31 10000 mAh 22.5W PD Powerbank with Built-in Cable - Black
Brand: Dudao
SKU: 599
Price: 18.99 EUR
Availability: InStock

SKU: 6977196682362

Price

€18.99

14 dienų grąžinimas
Gamintojo garantija
Saugus atsiskaitymas

Delivery

Pick up at SmartPosti parcel locker

October 5‑7 (from 9.99 €)

Delivery to home / office

October 6‑8 (from 13.99 €)

One shipping fee for the whole order — the number of products does not affect the shipping fee.

Color

Black

Protection

Reliable device protection

Quality

Premium materials

Perfect Fit

Designed for your device

Description

Dudao K31 10000 mAh power bank, black

This compact lithium-polymer power bank has a built-in retractable 70 cm USB-C cable, a digital LED charge display and support for PD, QC and VOOC fast-charging protocols. Its smart control circuit helps protect connected devices against short circuits, overcharging and overheating.

Model: Dudao K31
Capacity: 10000 mAh / 38.5 Wh
USB-C input: 5V/3A, 9V/2A or 12V/1.5A (max. 18W)
USB-C port output: 5V/3A, 9V/2.22A or 12V/1.67A (max. 20W)
Built-in USB-C cable output: 5V/3A, 9V/2.22A, 10V/2.25A or 12V/1.67A (max. 22.5W)
Total output: 15W (5V/3A)
Colour: black