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.

HDMI Extender 150m, 4K

Description

The HDMI Extender uses a single Ethernet (Cat5e or Cat6) cable instead of an HDMI cable to transmit high-definition video and audio signals up to 150 meters. Using an Ethernet switch, this device can transmit the signal extending it to multiple receivers (point-to-multipoint function).

Features:

Supports HDMI signal transmission at a distance of 150m. Resolution 4K (3840x2160) / 30Hz. HDMI version 1.4b. Easy plug and play, no additional software required. Direct connection (point-to-point), signal distribution (point-to-multipoint), cascade connection functions. IR control, USB mouse and keyboard port (KVM control function) are supported. Can be adapted for TV, PC, projectors, video cameras.

Specifications:

Max (CAT5e / CAT6 cable) length between transmitter and receiver: 150m. HDMI version: HDMI 1.4b. HDMI resolution: 4K (3840x2160) / 30Hz; 8/10/12 bit color depth. Max. transmitter (TX) operating current: 420mA. Max. receiver (RX) operating current: 480mA. Power adapter: AC (50Hz, 60Hz) 100V-240V; DC 5V / 1A. Operating temperature: -0°C ~ + 55°C. Operating humidity: 10-80% RH. Size: 124x85x24 mm. Weight: TX 204g; RX 207g.

Transmitter ports: POWER - power indicator light. STATUS - status indicator light. HDMI - signal indicator light. USB-PC - USB input for PC. RESET - reset button. DC / 5V - power adapter supply. UTP - network interface by CATe/CAT6. IR-TX - IR transmitter. HDMI-IN - HDMI input. Receiver ports: POWER - power indicator light. STATUS - status indicator light. HDMI - signal indicator light. USB - button to wake up USB1 / USB2. USB-1, USB-2 - USB input for mouse / keyboard. RESET - reset button. DC / 5V - power adapter supply. UTP - network interface by CAT5/CAT6. IR-TX - IR receiver. EDID - (Extended Display Identification Data) button to store the TV's EDID information into the extender. HDMI-OUT - HDMI output.

Packing list:

Transmitter (TX). Receiver (RX). Power adapter x2 (5V / 1A DC). IR controller x2. Users manual.

Warranty:

24 months.