IMAX B3 AC is a compact mains charger for LiPo (lithium-polymer) 2S 7.4 V and 3S 11.1 V packages with a built-in balancer

The 2 AA R6 battery holder is a basic but essential item for those who need a simple way to connect batteries for higher voltage. Cable length 10 cm

The DC-DC Buck Converter DC5-36-TO-DC3V3-5 in SMD version is designed for direct surface mounting. With selectable output voltage and high efficiency, it is suitable for applications involving microcontrollers, IoT systems, and mobile electronic devices.

The S9V11F5 switching step-up/step-down regulator efficiently produces 5V from input voltages between 2V and 16V. Pololu 2836

24 V 1 A power supply Waveshare 30342 with a European mains plug provides a reliable power source for devices with a 5.5/2.1 mm socket. Thanks to its compact design, low interference emission, and electrical protections, it is well-suited for electronics projects, measurement systems, and industrial automation.

The universal 3–12 V DC, 18 W power supply offers flexible power delivery for a wide range of electronic devices thanks to adjustable voltage and a set of 11 interchangeable tips. It supports the USB-C™ standard as well as classic DC and USB connectors, making it a versatile solution for both modern and older equipment. Its compact design, multiple safety features, and broad application range make it a reliable choice as a backup or primary power adapter.

DC adapter with 5,5x2,1 socket at 4.8x1.7

PSU-12.6V2A-5.5-2.1-EU is a practical power supply/charger designed for charging 3S lithium batteries. With stable voltage, built-in protections, and an LED status indicator, it is ideal for workshops, power kits, and projects requiring external battery power. The DC 5.5/2.1 mm plug ensures wide compatibility with various devices.

DC-DC Buck Converter 5–36 V with 5 V or 3.3 V output in the DC5-36-TO-DC3V3-5-M version is equipped with terminal and pin headers for quick deployment in power applications. High efficiency, adjustable voltage, and compact size make it suitable for powering microcontrollers, communication modules, and embedded systems.

JST RCY Connector Pack, Female

This miniature IEEE802.3af-compliant PoE module provides 5V power to devices at up to 8W without the need for a separate power cable. It supports both end-span and mid-span modes, offering high efficiency, electrical isolation, and easy integration into IoT and embedded systems. WIZnet WIZPoE-P1

Basket for six 1.5V batteries of AA type (R6) connected in series (9V), terminated with a 2.1mm DC connector. Connection wires 20 cm long.

Module with a single-purpose LiPo charger with adjustable charging current in the range from 15 to 500 mA. It is equipped with a JST PH connector, pins and a 2450 type socket. SparkFun PRT-14380

Module with a single-purpose LiPo charger and Step-Up converter with an output voltage of 5 V and current efficiency up to 1 A. SparkFun PRT-14380

The SLIM BLOW 12 V / 2 A / 24 W power supply is a compact and reliable power source for LED lighting systems. Its aluminum construction and built-in protection features against failures make it an ideal solution for home, office, and decorative installations. The small size allows for installation in hard-to-reach spaces, making it a versatile component for any LED setup.

The converter allows you to supply devices with 12V voltage (DC 5.5x2,1) by means of energy transferred through an Ethernet network using Power Over Ethernet (PoE) technology. The adapter also allows you to connect to the network at a speed of 10 / 100Mbit

Lithium-polymer Li-Po battery with a nominal voltage of 3.7V and a capacity of 560mAh, equipped with a PCM protection circuit with an NTC temperature sensor and a lead with a 3-pin Molex 1.25 connector, 80mm long. Akyga AKY0833

The 2 AAA R3 battery holder is a basic but essential item for those who need a simple way to connect batteries for higher voltage. Cable length 15 cm

The 4 AAA R3 battery holder is a basic but essential item for those who need a simple way to connect batteries for higher voltage. Cable length 15 cm

12 V 4 A power supply Waveshare 30622 with a European mains plug and 5.5/2.1 mm DC output provides reliable power for electronics, automation, and robotics projects. The high output current allows support for more demanding devices, while compliance with international safety standards ensures safe operation in various applications.