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

Borofone Power Bank 30000mAh BJ78B Clever - 2xUSB - black

Name: Borofone Power Bank 30000mAh BJ78B Clever - 2xUSB - black
Brand: Borofone
SKU: 6960731
Price: 16.99 EUR
Availability: InStock

SKU: 6941991121517

Price

€16.99

14 dienų grąžinimas
Gamintojo garantija
Saugus atsiskaitymas

Delivery

Pick up at SmartPosti parcel locker

September 22‑24 (from 9.99 €)

Delivery to home / office

September 22‑24 (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

Borofone BJ78B Clever 30000mAh power bank

The 30000mAh (111Wh) lithium-polymer battery has a rated capacity of 16500mAh and can recharge phones and other mobile devices several times. Two USB-A outputs charge two devices simultaneously, while USB-C and Micro-USB inputs offer two ways to refill the power bank. An LED indicates the remaining charge.

Input: USB-C or Micro-USB, 5V/2A
USB-A1 and USB-A2 output: 5V/2A each; total output: 5V/2A
Housing: ABS and PC; size: 146 × 69 × 29mm; weight: 415g
Colour: black