Battery holder for 4 × R20 cells made of plastic enables safe and stable mounting of the batteries in battery-powered devices. Wires with stripped ends facilitate installation in electronic circuits and DIY projects.

The CR2032 3V lithium battery with a capacity of 210 mAh is a reliable power source, commonly used in electronic devices such as computer motherboards (BIOS), calculators, and remote controls. The vertical version with soldering leads is ideal for mounting on printed circuit boards, ensuring stable connections and long-lasting performance.

Reliable solution for charging 5-8S NiMH batteries, equipped with Delta Peak technology and multiple protections, ensuring safe and efficient charging

The compact (0.4″ × 0.5″) D24V5F5 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 5 V while allowing for a maximum output current of 500 mA. Pololu 2843

BLOW SUPER ALKALINE AA (LR6) alkaline batteries are a reliable power source with a voltage of 1.5 V, ideal for devices such as cameras, portable CD players, shavers, remote controls, toys, flashlights, calculators, and clocks. The package contains 2 pieces, ensuring convenience and ease of use.

Set of 10 Energizer Industrial AAA / LR03 alkaline batteries with a voltage of 1.5 V, intended for professional and industrial applications. The Industrial series offers maximum performance in equipment with high energy demands.

Power supply with parameters 12V/3A, 36W, and a 5.5*2.1 mm plug, ideal for CCTV systems, lighting and other devices. It has a ferrite filter and a complete set of protections, ensuring safe and stable operation of both the powered devices and the power supply itself. The cable length is 1.2 m. Akyga AK-TB-12

The Maxell CR2025 lithium battery with a voltage of 3V and a capacity of 170 mAh is a reliable power source for devices such as sensors, calipers, and car remotes. With a diameter of 20 mm and a thickness of 2.5 mm, it fits perfectly into compact electronic devices.

Varta Superlife AA (R6) zinc-carbon batteries with a voltage of 1.5V are designed for low-power devices such as wall clocks and remote controls. Packed in sets of 4 in foil, they provide a cost-effective solution for basic energy needs.

9V battery clip with a 125 mm cable and a DC plug 2.1 × 5.5 mm with center positive polarity enables easy power connection for electronic devices requiring 9 V. Suitable for hobby, service, and music projects.

The second generation of everActive alkaline batteries, the Pro Alkaline series, is a highly advanced product that provides users with long-lasting operation even in the most demanding devices. Improved technology, reinforced structure and a guarantee of a long shelf life make these batteries a reliable source of energy for any type of device. LR03PRO4T

The Akyga CR2032 lithium battery (3V, 240 mAh) provides long-lasting power for electronic devices. Utilizing Li-MnO₂ technology, it ensures stable voltage and a low self-discharge rate.

everActive Pro Alkaline AA alkaline batteries with a capacity of 3000 mAh are designed for professional applications, providing high performance in devices with high current consumption. Packed in a blister of 4 pieces, they feature a long shelf life and enhanced leak-resistant construction.

Multifunctional power supply with adjustable output voltage from 3V to 12V and 30W power. It has a USB output and a DC plug with 6 interchangeable tips.

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.

The GP CR2016 3V lithium battery is a reliable power source, ideal for devices such as watches, calculators, car alarms, and remote controls. It features a capacity of 90 mAh and compact dimensions: a diameter of 20 mm and a thickness of 1.6 mm. It operates within a wide temperature range from -10°C to 60°C and has a lifespan of up to 10 years.

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

Switching power supply with a power of 108 W, an output voltage of 24 V and a current of 4.5 A. It has built-in overload and short-circuit protection and a low profile housing. Mean Well LRS-100-24

The battery tester is a compact device that allows you to check in a very simple and quick way whether the batteries or rechargeable batteries we use are functional. Our devices require good batteries or accumulators and we are often not sure if our equipment has the right power supply to withstand, for example, during a trip or celebration. Nothing easier, you can check it using a tester.

Step-Up/Step-Down converter with an output voltage of 3.3 V, an input voltage of 2.5 to 15 V and a maximum current of 600 mA. DFRobot DFR0568