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

Rivacase VA1091 USB Power Bank 25800mAh

Name: Rivacase VA1091 USB Power Bank 25800mAh
Brand: Rivacase
SKU: 6936038
Price: 106.99 EUR
Availability: InStock

SKU: 24260709016348

Price

€106.99

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

November 23‑24 (from 3.09 €) (FREE from 39 €)

Delivery to home / office

November 23‑25 (from 9.99 €)

Color

Black

Protection

Reliable device protection

Quality

Premium materials

Perfect Fit

Designed for your device

Technical Specifications

Power bank capacity: 25800 mAh
Battery capacity specification: 25800 mAh; 99.33 Wh
Battery technology: Li-Po
Battery voltage: 3.85 V
Built-in radio: No
Charging source: USB
Fast charging technologies: Power Delivery 3.0, Qualcomm Quick Charge 3.0
USB Power Delivery: Yes
USB Power Delivery up to: 100 W
Wireless charging: No
Built-in display: Yes
Charger compatibility: Universal
Display technology: LCD
Maximum simultaneously connected devices: 4
On/off switch: Yes
Shape: Square
Input interfaces: USB-C
USB-A output port count: 2
USB-C ports: 2
Input current: 3/3/3/3.25 A
Input voltage: 9/12/15/20 V
Output current specification: 5 A
Port 1 output current: 3 A
Port 2 output current: 3 A
Port 3 output current: 5 A
Power protection features: Overload, Short circuit, Overcharge, Overdischarge
USB-C charging: Yes
Compliance certificates: CE/Federal Communications Commission (FCC)/RoHS
WEEE compliance: Yes
Product depth: 13.5 cm
Product height: 2.3 cm
Weight: 520 g
Product width: 13.5 cm
Included cables: USB Type-C to USB Type-C
Package contents quantity: 1 pc(s)
Packaging type: Hanging box
Model: VA1091
Warranty: 24 mėn.
Fast charging: Supported
Charging time: 2 h
Does not contain: Cadmium, Lead, Mercury
Wireless battery charging: No
Fast charging support: Yes
Display type: LCD
Form factor: Kvadratas
Port 4 output current (A): 5
Substances not contained: Gyvsidabris/Kadmis/Švinas
Length: 135 mm
Packaging content details: Iš C tipo USB į C tipo USB
Package quantity: 1 vnt
Package type: Hanging box