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

Powerbank 3mk PowerHouse 20000 mAh 2x USB-A 1x USB-C - black

SKU: 5903108527224

Price

€18.99

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

Delivery

Pick up at our store

October 1 (FREE)

Pick up at Omniva, LP Express, SmartPosti parcel locker

October 2‑5 (from 2.29 €) (FREE from 30 €)

Delivery to home / office

October 2‑6 (from 4.99 €)

Color

Black, Blue

Protection

Reliable device protection

Quality

Premium materials

Perfect Fit

Designed for your device

Description

3mk PowerHouse 20,000mAh

A portable charge is most useful when a wall socket is out of reach. This 3mk power bank lets you charge compatible devices at work, while travelling or during a long day away from home.