OEM

Durable 18650 1S 3.7V battery holder - a reliable way to power electronic circuits. It has factory-installed 15 cm leads and a practical screw mounting hole for stable mounting and fast hook-up.

This compact battery holder is ideal for powering microcontrollers, including Arduino and Raspberry Pi. It works well for custom power modules, power banks, RC models, and standalone LED lighting systems.

The XH-M602 module is a universal battery charging controller powered by 220V. The device automatically manages the charging process by turning the external charger on and off, which effectively protects the cells from overcharging. It supports a wide operating voltage range from 0V to 120V with high precision. The module works with Li-Po, Li-Fe, Li-Ion, and gel batteries. The compact design is ideal for backup power systems and electronics projects using Arduino or Raspberry Pi.

Efficient step-down buck converter with the XL4015 supports input voltage 4 - 38 V and output 1.25 - 35 V. The module enables smooth voltage and current regulation up to 5 A using built-in potentiometers. The device achieves efficiency up to 95% and includes essential thermal protection. The converter is ideal for powering electronic circuits, charging rechargeable batteries, and building workshop power supplies. Input voltage must be at least 1.5 V higher than the output voltage.

High-efficiency buck voltage converter based on the XL4015 IC. The Step-Down module accepts input voltage 5.5 - 36V DC and allows smooth output voltage adjustment in the range 1.25 - 32V DC. Maximum output current is 5A. The device supports CC/CV mode for safe battery charging and LED lighting. The converter offers high efficiency of 95% and built-in short-circuit and thermal protection. Ideal for bench power supplies and microcontroller projects.

A high-performance DC-DC step-down voltage converter based on the XL4016 IC. It allows smooth adjustment of the output voltage from 1.25 V to 35 V with an input of 4 - 38 V. The module offers a maximum power of 200 W, current up to 8 A, and high efficiency of ~90%. It is well suited for powering Arduino, Raspberry Pi, LED systems, and solar panel installations. Precise multi-turn potentiometers ensure full control of operating parameters in a compact package.

Reliable protection for 12V and 24V batteries against deep discharge. The device continuously monitors voltage in the 8-36V range and automatically cuts power when it drops below the set value. It offers precise cutoff voltage and hysteresis adjustment via built-in buttons, plus a clear display. Ideal for photovoltaic systems, campers, emergency backup power, and protecting gel batteries from damage - effectively extending battery life.

Efficient switched-mode power supply delivering stable 5V voltage and 3A current. Features an integrated cable terminated with a universal Micro USB plug. The device is ideal for powering development platforms such as Raspberry Pi mini computers, Arduino modules, ESP32, or ESP8266. It ensures safe operation of home automation systems, IoT projects, and consumer electronics. A built-in LED allows monitoring of power status. The power supply protects equipment from overvoltage and guarantees high reliability.

Compact plug-in power supply with 48W output delivers stable 24V DC voltage and current up to 2A. It features a popular DC 5.5 x 2.5 mm plug, fully compatible with 5.5 x 2.1 mm sockets, with center-positive polarity. Built-in overcurrent protection safeguards equipment from damage. The product is designed to power LED lighting, industrial automation, DC motors, surveillance systems, and 3D printers.

Compact universal power supply with 30 W power, stepped voltage adjustment from 3 V to 12 V, and output current up to 3 A. Equipped with a set of 6 interchangeable tips, it is ideal for powering electronic equipment such as prototype boards, routers, monitoring systems, and LED lighting. A durable ABS and PC plastic housing ensures resistance to damage. A stable solution for home and workshop that replaces many dedicated devices.

ZB2L3 tester is a precise module for measuring capacity of 18650 cells and Li-Ion, Ni-Mh, and Pb batteries. The device is powered by 4.5V - 6V via a micro USB port and supports batteries under test up to 15V. Maximum measured capacity is 9999Ah with 1% accuracy.

The tool works well for verifying recovered cells and diagnosing power packs. The kit includes two 7.5 Ohm 5W load resistors, enabling quick and trouble-free start of accurate discharge tests.

The kit contains 300 LED diodes with frosted lenses in 3 mm and 5 mm diameters. The pack includes LEDs in five colours - white, red, blue, green, and yellow. The diffused design spreads light evenly. Parts are packed in a practical compartment storage box. They suit status indicators, optical signalling, and educational projects for Arduino, Raspberry Pi, ESP8266, and ESP32.

A complete set of 20 linear potentiometers in a convenient box. The set includes 10 common resistance values ranging from 1k to 1M. These linear-characteristic components are designed for THT mounting and come with matching 6-mm-shaft adjustment knobs. This set is ideal for prototyping, building analog circuits, and control applications in projects using Arduino, ESP8266, and ESP32 platforms.

A comprehensive metal film resistor kit contains 300 pieces in 30 values from 10 Ω to 1 MΩ. The components are rated at 0.25 W with a precise 1% tolerance. Components are individually taped in a practical storage box.

The product is ideal for circuit prototyping, creating voltage dividers, and limiting current for LED diodes. An excellent choice for projects based on Arduino, Raspberry Pi, or ESP32, as well as for repair work and education.

A practical kit of 50 solder- and adhesive-lined heat-shrink splices for fast, durable, and waterproof conductor joining with no soldering iron. Just apply heat-melted solder forms a solid electrical contact while thermoplastic adhesive seals out moisture. The organizer case is indispensable for automotive wiring, AV service, LED installs, and Arduino and Raspberry Pi projects.

A set of 2-PIN JST connectors with factory-crimped wires 9 cm long is a practical solution designed for power supply and signal transmission. The kit includes 2 pairs of male plugs and female sockets that ensure a durable and secure connection in electronic circuits.

The product is suitable for connecting batteries, LED strips, and prototyping projects with Arduino, ESP32, or Raspberry Pi. Color-coded wire insulation makes polarity identification easy, and the compact size allows work in limited space.

High-quality straight N male / N male adapter with 50 ohm impedance. This reliable antenna connector delivers minimal signal loss and quick adaptation in radio communications installations. Rugged construction ensures resistance to mechanical damage. Ideal for joining coaxial cables, in GSM and LTE boosting systems, RF test equipment, and base station installations Easy to install with no specialist tools.

A compact RF connector adapter that converts a BNC socket to an SMA male plug. The adapter ensures a secure connection, stable performance, and uninterrupted signal transmission, making it easy to connect devices with different standards without the need for soldering.

The product is designed for radio communications, amateur radio equipment, and GSM systems. It works exceptionally well for connecting external antennas to radios, integrating measurement equipment, and building reliable antenna circuits. Its robust construction minimizes signal loss in installations.

High-quality waterproof 2-PIN connector with a factory-attached 40 cm cable enables safe and sealed connections in electrical installations. The product provides effective protection against moisture and harmful external factors.

It is used in outdoor LED lighting, garden irrigation systems, gate automation, and video surveillance installations. Compact dimensions and pre-wired cables ensure quick installation and long-term reliability.