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 Samsung EB-P3400XUEGEU FastCharge 2x USB-C 25W 10000mAh - beige

Name: Powerbank Samsung EB-P3400XUEGEU FastCharge 2x USB-C 25W 10000mAh - beige
Brand: Samsung
SKU: 420
Price: 25.99 EUR
Availability: OutOfStock

SKU: 8806094682748

Product no longer available

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Color

Cream, White, Brown

Material

Plastic

Protection

Reliable device protection

Quality

Premium materials

Perfect Fit

Designed for your device

Description

The original Samsung EB-P3400XUE power bank combines a 10000mAh lithium-ion battery with fast charging at up to 25W. Two USB-C ports allow two compatible devices to be charged simultaneously, while the LED status indicator makes the remaining charge easy to monitor. Its compact beige design is convenient for travel.

Specifications

Brand: Samsung
Model: EB-P3400XUE
Battery type: lithium-ion
Capacity: 10000mAh
Maximum power: 25W (9V / 2.77A)
Connector: USB-C; two ports
Colour: beige
Included: USB-C to USB-C cable

The 25W output helps charge compatible phones and tablets quickly. The two USB-C ports provide practical simultaneous charging, and the LED indicator shows the power bank's charge level at a glance.