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.

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Blavec Power Bank 5000mAh BJ-04 Ultra Slim 7,8mm - Type C - 22,5W magnetic Magsafe 3 in 1 (PBBJ04-MC5N) navy glass

Power Banks

Blavec Power Bank 5000mAh BJ-04 Ultra Slim 7,8mm - Type C - 22,5W magnetic Magsafe 3 in 1 (PBBJ04-MC5N) navy glass

Name: Blavec Power Bank 5000mAh BJ-04 Ultra Slim 7,8mm - Type C - 22,5W magnetic Magsafe 3 in 1 (PBBJ04-MC5N) navy glass
Brand: Blavec
SKU: 6960734
Price: 22.99 EUR
Availability: InStock

SKU: 5900217502227

Price

€22.99

Delivery

Pick up at our store

August 19 (FREE)

Pick up at Omniva, LP Express, SmartPosti parcel locker

August 20-22 (from 2.29 €) (FREE from 30 €)

Delivery to home / office

August 20-22 (from 4.99 €) (FREE from 50 €)

Color

Blue

Protection

Reliable device protection

Quality

Premium materials

Perfect Fit

Designed for your device

Description

Blavec BJ04 5000mAh magnetic power bank

The ultra-slim power bank combines an N52 magnetic lock with simultaneous 3-in-1 wireless charging for iPhone, AirPods and Apple Watch. AI NTC Ice Core cooling helps prevent overheating, dynamic power management adapts the output, and the 2nd generation LED display shows the battery percentage and output power. The USB-C port supports fast charging in both directions.

Maximum USB-C power: 22.5W
Capacity: 5000mAh; rated capacity: 3000mAh at 5V/2.4A
USB-C input/output: 5V=3A, 9V=2.22A or 12V=1.67A
Wireless output: 15W, 10W, 7.5W or 5W
Dimensions: 103 × 66 × 7.8 mm; weight: 118 g
Materials: aluminium alloy and tempered glass
Compatibility: iPhone 12-17, AirPods, Apple Watch and Android devices with wireless charging