The S7V8F3 step-up/step-down converter regulates the voltage at 3.3 V, supporting an input voltage range of 2.7 V to 11.8 V, making it ideal for battery-powered applications. With an efficiency of over 90% and protection against short circuits and overheating, it provides reliable and energy-efficient operation in a wide range of conditions. Pololu 2122

The 9V (6F22) battery holder allows for safe and convenient mounting of the battery in electronic devices. Made of durable plastic, it provides protection against damage and is available in various versions. Bat_case_6F22

The holder for 4 AA R6 double-row batteries is an ideal solution for people who need a simple and reliable way to connect AA batteries to obtain a voltage of 6 V

Panasonic AAA 1.5V LR3 Alkaline Battery is a reliable power source, perfect for everyday devices such as remote controls, toys, and flashlights. With high-quality construction, it ensures long-lasting and stable performance for various electronic devices.

4-in-1 module designed for 18650 Li-Ion batteries. It can be used as a 5 V voltage source, charger, UPS and battery protection module

Universal charger designed for 1-4S LiPo, LiHv and LiFe batteries. It has a compact size and a built-in 1.54" LCD IPS display. ToolkitRC M4

The classic grounded splitter has two round sockets with a grounding pin and a maximum load of 16A. Vorel-72404

AGM battery with a voltage of 6 V and a capacity of 4.5 Ah, designed to provide stable power supply for devices in backup power systems. AGM technology ensures safety, leak resistance, and the ability to operate in various mounting positions. With its wide range of applications, high reliability, and long service life, it is used in UPS installations, security systems, telecommunications, as well as medical and industrial equipment.

The FJ-SW20171203000 is a power adapter by Hantek, providing 12 V DC output at up to 3 A, delivering a total output power of 36 W. It features a 1.7/4.8 mm plug, making it compatible with selected Hantek oscilloscopes and spectrum analyzers, such as the DSO1000E and HSA2000 series. This power supply can also be used with other devices that require stabilized 12 V power

PSU-5V5A-5.5-2.1-EU is a stable 5 V / 5 A power supply with a European power plug, ideal for powering development boards, network modules, IoT devices, and other components requiring higher current capacity. Equipped with necessary protections and certifications, it provides safe power for both hobby and industrial applications.

The LM7809 9 V 1.2 A linear stabilizer module is a reliable and easy-to-use voltage stabilization solution for all electronics projects. Thanks to its solid construction, built-in protections and high efficiency, this module provides a safe and constant 9 V power supply, being an invaluable component in the work of every electronics engineer

A set of 30 everActive alkaline button batteries including the popular AG3, AG4, AG10, and AG13 models with a voltage of 1.5 V, intended for watches, toys, measuring, and medical devices. The batteries are characterized by good performance and a long shelf life.

XT90 to Traxxas adapter allows quick and safe connection of batteries with an XT90 connector to devices using the Traxxas standard. Used in RC models and high-power supply systems, it provides simple connector conversion without the need for soldering.

Blow Adapter WT.PL / GN.UK, USA is a practical and reliable solution for travelers or users of electrical devices imported from abroad. It allows safe connection of a wide range of equipment to European sockets, maintaining full functionality and ease of use. Suitable for both home and travel use.

12V/0.5A power supply with a power of 6W and a 5.5 x 2.1 mm plug, suitable for tablets, routers, switches, modems and other devices. Akyga AK-TB-09

The Maxell CR1216 3V lithium battery is a reliable power source, ideal for small electronic devices such as watches, remotes, and calculators. It features compact dimensions, making it suitable for use in devices that require small batteries. The packaging contains 10 pieces, providing a practical solution for users who need reliable power.

Step-Up/Step-Down converter with an output voltage of 3.3 V, an input voltage from 3 to 15 V and a maximum current of up to 600 mA

Pololu 5V Step-Up/Step-Down Voltage Regulator S7V7F5

BMS module for two 7.4V lithium cells. Charging, discharging and over-discharge protection. The cells can be charged with a continuous current of up to 20 A

Switch-mode power supply (constant voltage) with an output voltage of 12 V and a maximum current of 2 A. The cable terminated with a DC 5.5x2.1 plug