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

VARTA alkaline battery V13GA (Type LR44) 2 pcs

Name: VARTA alkaline battery V13GA (Type LR44) 2 pcs
Brand: Varta
SKU: 1096333
Price: 1.99 EUR
Availability: InStock

SKU: 4008496746347

Price

€1.99

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Description

VARTA V13GA (LR44) button cell batteries are a reliable power source, ideal for small electronic devices such as calculators, remote controls, watches, and toys. With a capacity of 125 mAh and a voltage of 1.5V, they provide long-lasting performance and stable energy output. The package includes 2 batteries, making it a practical choice for everyday use. Made with high-quality materials, these batteries are safe and durable.

Technical Specifications:

Battery Type: Alkaline button cell (LR44)

Voltage: 1.5V

Capacity: 125 mAh

Package Quantity: 2 batteries

Weight: 1.8 g (per battery)

Chemical System: Alkaline manganese