Power supply

A durable 4x AA R6 battery holder supports series wiring of cells for 6V. It includes 15 cm wires and compact 55 x 64 x 16 mm dimensions. Sturdy plastic housing keeps rechargeable cells secure. A universal, portable power source for electronics, robotics, and IoT projects with Arduino, ESP32, ESP8266, or Raspberry Pi.

The 3S - 12V - 25A BMS 18650 LI-ION charger is a powerful battery management device designed with safety and durability in mind. It features a supply voltage of 12.6V and a maximum charging current of 25A, with the ability to support transient current up to 40A. With a very low resting current of 30uA and an internal resistance of 100mOhm, it is energy efficient and effective. The charger can operate up to 30,000 hours, offering robust performance for a long time. It has compact dimensions of 56 x 45 x 1.2 mm, making it easy to integrate into various projects. Equipped with a range of protections: over-discharge, over-charging, current overload and short-circuit, it provides protection for both the battery and its associated devices.

Li-Ion battery charger with Step-Up 5V converter is a compact module for building power banks and powering portable circuits. It supports popular lithium batteries, including 18650 cells. The integrated converter boosts voltage from 3.7-5V to stable 5V at the USB connector.

The device offers a maximum charging current of 1A via the microUSB port. The module ensures safety with built-in over-discharge protection - the minimum cutoff voltage is 2.9V.

The MB102 power module is a reliable power source for breadboards, ideal for microcontroller projects such as Arduino or Raspberry Pi. The device offers dual power rails with independent selection of 5V or 3.3V voltage. The module can be powered via the USB port or a standard DC 2.1/5.5 mm jack. It includes a practical master switch and an LED. It enables quick installation and stable voltage, protecting sensitive electronic components from damage.

A compact power bank module for use with Li-Ion 18650 cells at 3.7 V. Enables building portable power sources and refurbishing devices. It has two USB A outputs supporting fast charging and three inputs: USB-C, micro-USB, and Lightning. Maximum charging current is 2.4 A.

The board includes an LED display indicating charge level. Built-in protections guard against overcharge and over-discharge. Observe correct polarity when connecting cells to the B+ and B- pads to avoid damage.

A compact Li-Ion TP4056 cell charger with a USB-C connector is a module for safely charging rechargeable batteries, including popular 18650 cells. The device delivers a maximum charging current of 1 A at an input voltage of 4.5 V - 5.5 V. Integrated protection prevents the cells from discharging below 2.5 V. The module has LED indicators that show operating status. It is well suited to portable electronics projects, DIY power banks, and backup power, and supports batteries that do not include a factory protection circuit.

TP4056 1A charger is a universal module for charging Li-Ion and Li-Pol batteries at 3.7 V. It features a Micro-USB connector and built-in protection against excessive discharge and overload. It is well suited to charging popular 18650 cells in electronic projects, building portable power supplies, or emergency systems.

The circuit’s input voltage is 4.5 - 5.5 V, and the maximum charging current is 1 A. Its compact size makes mounting easy, while integrated LEDs continuously indicate the current charging status.

A compact USB-C to USB-A 3.0 adapter for connecting traditional devices to modern ports. With USB OTG and USB 3.0 support, it delivers fast data transfer and efficient charging for mobile devices. The black adapter is only 20 mm long and highly portable. It works well with USB flash drives, mice, keyboards, and gamepads. No driver installation is required; it works with any hardware that supports host mode, offering full versatility for everyday use.

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.

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.

A compact USB charger for cylindrical Li-Ion batteries supports a wide range of cells, including popular sizes 18650, 21700, 14500, and 10440. Power from a standard USB port allows convenient charging from a computer or power bank. The device charges at 500 mA at a safe 4.2 V, and operating status is shown by a built-in LED. This versatile solution works well for charging flashlight, toy, and electronics project batteries.