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 BJ80B Clever - 2xUSB + Type C - QC 3.0 22,5W PD 20W black

Name: Borofone Power Bank 30000mAh BJ80B Clever - 2xUSB + Type C - QC 3.0 22,5W PD 20W black
Brand: Borofone
SKU: 2232311
Price: 17.99 EUR
Availability: InStock

SKU: 6941991121630

Price

€17.99

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Courier delivery or to a parcel locker

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Delivery

Pick up at SmartPosti parcel locker

October 7‑9 (from 9.99 €)

Delivery to home / office

October 8‑12 (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 Power Bank BJ80B Clever 30000mAh – 2×USB + Type-C – QC 3.0 22.5W PD 20W – black is a powerful and versatile energy source that enables ultra-fast charging of multiple devices simultaneously. Built with lithium-polymer cells and an ABS+PC casing, it combines high capacity with advanced fast-charging technologies.

The BJ80B Clever features an 18W USB-C/Micro-USB input and outputs on two USB-A ports (QC/FCP/SCP/AFC 22.5W) and one USB-C port (PD/QC/FCP/AFC 20W). An intuitive LED indicator lets you monitor the battery level at a glance.

Capacity: 30000 mAh (111 Wh); rated capacity: 16500 mAh
Input: USB-C/Micro-USB – 18 W
Output USB-A1/A2 – 22.5 W (QC/FCP/SCP/AFC)
Output USB-C – 20 W (PD/QC/FCP/AFC)
Indicator: LED – battery level display
Material: ABS+PC + lithium-polymer cells
Dimensions: 146 × 69 × 40 mm; Weight: 605 g