The Panasonic CR123A 3V lithium battery with a capacity of 1550 mAh is a reliable power source for cameras, flashlights, and security systems. With compact dimensions (17 mm diameter, 34.5 mm height), it fits perfectly into a wide range of electronic devices.

Shunt regulator with a constant voltage of 13.2V, bypass resistance 1.33 Ohms and a total of 12 SMT shunt resistors on both sides of the PCB with the possibility of adding an external potentiometer to adjust the preset voltage. Pololu 3770

Switching modular power supply for LED Akyga, supply voltage 100-265V, output voltage 12V, IP67 enclosure tightness class. Akyga AK-L2-025

Switching power supply LED designed to power industrial automation systems, machine control and lighting based on LED technology. Power 75W, voltage regulation 11-15V, current efficiency 6.25A. Akyga AK-L1-100

The Akyga 23A alkaline battery with a voltage of 12V and a capacity of 48 mAh is a reliable power source for devices requiring stable energy, such as garage door remotes, alarm systems, and wireless doorbells. Utilizing Zn-MnO₂ technology, the battery ensures long-lasting performance and resistance to temperature fluctuations, guaranteeing dependable operation even in demanding conditions.

Flexible, monocrystalline solar panel with an output voltage of 5 V and a current capacity of 2 A. It has dimensions of 28 x 28 x 0.18 cm. DFRobot FIT0573

Fast XTAR SC1 processor charger for lithium-ion cells in sizes 18650, 18700, 20700, 21700, 22650, 26650. It is equipped with LEDs showing the state of charge, three-stage charging processor TC / CC / CV, function of reacting deeply discharged cells, security: short-circuit, thermal, against reverse polarity. It can be charged with any USB power charger (min. 2.1A)

DC-DC step-down converter module 5V 16A used to convert energy from 6-24V input voltage to stable 5V, providing up to 16A current. Thanks to high conversion efficiency (over 90%) and low ripple (<20mV), it is ideal for powering sensitive devices in applications such as robotics, drones or LED lighting systems. Additionally, built-in overheating and short-circuit protection mechanisms ensure reliable operation even in difficult conditions. DFRobot DFR1202

Power supply module with an input voltage from 6 to 12 V and a configurable output voltage of 3.3 V or 5 V. It has holes with a 2.54 mm pitch. Perfect for use with a breadboard. SparkFun PRT-13032

The USB-C wall charger with QC 25W technology and Quick Charge 3.0 and Power Delivery support ensures fast, safe and efficient charging of mobile devices, adapting the power to their needs

The R3 Ni-MH AAA 1100mAh XTREME battery is a high-quality nickel-metal hydride (Ni-MH) rechargeable battery with a capacity of 1100 mAh and a voltage of 1.2 V, designed to power devices such as digital cameras, portable CD players, toys, tools, and flashlights. It features the ability to withstand over 1000 charge cycles, no memory effect, and excellent resistance to external conditions such as temperature and moisture.

DC-DC step-down converter module 12V 12A used to convert energy from 15-24V input voltage to stable 12V, providing up to 12A current. Thanks to high conversion efficiency (over 90%) and low ripple (<50mV), it is ideal for powering sensitive devices in applications such as robotics, drones or LED lighting systems. Additionally, built-in overheating and short-circuit protection mechanisms ensure reliable operation even in difficult conditions. DFRobot DFR1208

UK-Schuko adapter with grounding allows you to connect devices with Schuko plugs to UK sockets, supporting voltages of 110~250 VAC, current up to 13 A and power up to 3000 W, with a built-in fuse and CE certification, providing a safe and compact solution for travellers

A compact breadboard power supply module offering stable 3.3V and 5V outputs and real-time voltage, current and power monitoring via the built-in LCD display. Compatible with Seeed Studio XIAO boards and featuring plug-and-play functionality, the device is ideal for efficient prototyping with full control over power parameters. Seeed Studio 114993507

PRT-13777

The PR-570WSP extension cord is a white 3-meter long cable equipped with five grounded outlets and a switch, allowing simultaneous connection of multiple electrical devices and easy power management. The design with a 3×1.5 mm² cable cross-section ensures safe usage, and the angled power plug makes it easier to connect in hard-to-reach places.

BLOW SUPER HEAVY DUTY AAA R03P Battery is an economical zinc-carbon cell with a 1.5V voltage, designed for low-power devices such as clocks, calculators, and remote controls. The package contains 40 batteries, ensuring long-lasting power supply for multiple devices.

LiPo 3.7 V battery charger module with USB type C socket. SparkFun PRT-15217