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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Batteries

Energizer battery LR54/189 Alkaline BP2

Name: Energizer battery LR54/189 Alkaline BP2
Brand: Energizer
SKU: 7037012
Price: 3.99 EUR
Availability: InStock

SKU: 7638900083088

Price

€3.99

14 dienų grąžinimas
Gamintojo garantija
Saugus atsiskaitymas
Nemokamas pristatymas nuo 35.00 € To Unisend / SmartPosti parcel locker

Delivery

Pick up at Omniva, Unisend, SmartPosti parcel locker

November 16‑17 (from 3.09 €) (FREE from 35 €)

Delivery to home / office

November 16‑18 (from 4.90 €)

Technical Specifications

Battery chemistry: Alkaline
Battery form factor: LR54
Battery type statement: SR54 / AG10 / SG10 / G10-A / LR54 / 189 / 387 / 389 / 390 / L1131 / LR1130 / SR1130 / LR1131 / SR1131 / 1138SO
Voltage: 1.5 V
Product series: Energizer Speciality
Set contents: 2 × battery
Gross weight: 8 g
Weight: 3 g