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 Joyroom JR-PBF16 20000mAh USB-C USB-A 22.5W - black

Name: Powerbank Joyroom JR-PBF16 20000mAh USB-C USB-A 22.5W - black
Brand: Joyroom
SKU: 431
Price: 28.99 EUR
Availability: InStock

SKU: 6956116717360

Price

€28.99

14 dienų grąžinimas
Gamintojo garantija
Saugus atsiskaitymas
Nemokamas pristatymas nuo 39.00 € To Unisend / SmartPosti parcel locker

Delivery

Pick up at Omniva, Unisend, SmartPosti parcel locker

October 5‑6 (from 3.09 €) (FREE from 39 €)

Delivery to home / office

October 5‑7 (from 9.99 €)

Color

Black

Material

Plastic

Protection

Reliable device protection

Quality

Premium materials

Perfect Fit

Designed for your device

Description

Specifications
Model: JR-PBF16
Battery: lithium-polymer
Capacity: 20000mAh, 3.7V (74Wh)
Rated capacity: 12000mAh (5V=3A)
Type-C input: 5V=3A, 9V=2A, 12V=1.5A
Type-C output: 5V=3A, 9V=2.22A, 12V=1.67A
USB-A1 output: 5V=3A, 9V=2A, 10V=2.25A, 12V=1.5A
USB-A2 output: 5V=3A, 9V=2A, 10V=2.25A, 12V=1.5A
Multi-port output: 5V=3A max.
Dimensions: 144 × 70 × 29mm
Material: fire-resistant PC and ABS
Net weight: 425g

1. Maximum output of 22.5W; charges compatible phones up to 3X faster.
2. The Type-C port supports input and output.
3. Three output ports can charge up to 3 devices simultaneously.
4. Five LED indicators show the remaining charge and fast-charging status.
5. 3-port layout: one Type-C and two USB-A ports.
6. Compact design, 30% thinner than ordinary power banks.
7. The 20000mAh capacity provides approximately 4 phone charges.
8. Compatible with various iP and Android phones, game consoles and other devices.
9. A smart temperature-control chip helps reduce heat during charging.
10. Supports QC3.0, PD20W, AFC18W, SCP22.5W and other fast-charging protocols.
Six safety functions include overcurrent and overvoltage protection.