Flexible solar panel with an output voltage of 1.5 V and a current efficiency of 0.67 A. It has dimensions of 198 x 85 mm

Protection circuit for four Li-Ion cells with a voltage of 14.8V. The module has the function of charging cells with the option of a balancer, discharging and a function that protects the cells from excessive discharge. The cells can be charged with continuous current up to 10A

A classic splitter with three round sockets with grounding pins ensures safe connection of many electrical devices. Vorel-72407

Listwa zasilająca marki Lund z wyłącznikiem głównym i pięcioma indywidualnie wyłączanymi gniazdkami z uziemieniem, napięciem znamionowym 230V/50Hz, maksymalnym obciążeniem 3680 W, miedzianym przewodem o długości 2 metrów i przekroju 1,0 mm², wyposażona w zabezpieczenie przed dziećmi, podświetlane wyłączniki oraz obudowę z tworzywa ABS, idealnie nadaje się do zasilania domowej elektroniki. Lund-72460

The Varta V27A 12V alkaline battery is a reliable power source for car remotes, alarm systems, and garage door openers. With compact dimensions (7.7 mm diameter, 28 mm height), it fits perfectly into small electronic devices.

The BLOW SUPER HEAVY DUTY AAA (R03P) 1.5V zinc-carbon batteries are designed for low-power devices such as wall clocks, remote controls, and flashlights. Packed in sets of 4, they provide a cost-effective solution for basic energy needs.

The Step-Down D24V6F3 Buck Voltage Regulator module gives the output voltage of 3.3V with a wide input voltage range of 4.8-42V and a maximum output current of 600 mA. Pololu 2106

Universal power adapter Akyga AK-TB-33 5.0V / 2.0A 10W 5.5 x 2.5 mm 1.5m

ToolkitRC M450 enables safe and precise charging of 1–4 S LiPo, LiHV, and LiFe batteries, offering 50 W power and 200 mA balancing. Its compact size and clear IPS display make it a reliable tool for RC hobbyists, electronics enthusiasts, and workshop users.

Pololu 2830

The GP CR2 3V lithium battery is a reliable power source for cameras, flashlights, and medical equipment. With high capacity and long lifespan, it ensures stable performance in demanding applications. Individually packed in a blister, it is perfect for everyday use.

An efficient step-down converter that steps down the input voltage from as low as 45 V to a regulated output voltage range of 1.4 to 7 V, offering high efficiency and a maximum continuous current of 3.4 A. It has built-in reverse polarity, overload and short circuit protection, and the spread spectrum function reduces EMI interference. Pololu 4873

The BMS-3S-60A-INV board is designed for 3S lithium cell packs with a voltage of 12 V and a high current load. It is used in voltage converters and installations requiring reliable battery protection

DC voltage converter with adjustable and stabilised output voltage from 0.5 V to 32 V. It can handle loads up to 4 A and has an output of up to 50 W. It features a colour display and a handy user interface. Fnirsi DC/DC converter 50W

The VARTA Solar AA (R6) 800 mAh rechargeable battery is a nickel-metal hydride (Ni-MH) cell, specifically designed to power low-energy devices such as solar lights. It features optimized capacity, allowing for frequent charge and discharge cycles, ensuring long-lasting and reliable operation of devices.

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

A tester for 1.5V and 9V batteries, which does not require a power supply, allows a simple assessment of the battery condition by touching the poles with the metal terminals, with the measurement results under load indicating green (GOOD), yellow (LOW) and red (REPLACE, RECHARGE) fields, compact and easy to store. Sthor-81700

Supply cable from the 6F22 (9V) battery clip to the standard 5.5x2.1 mm DC adapter plug, enables battery power supply to devices with a power supply socket

BLOW KL01 battery terminals are a universal set of self-clamping connectors made from high-quality brass, designed for safe and efficient battery connection. They offer high conductivity, corrosion resistance, and easy tool-free installation. Suitable for a wide range of automotive and industrial applications, they ensure durable and reliable electrical connections.

The trigger module is designed for chargers PD 2.0 and PD 3.0. It is equipped with a USB type C input and a USB type A output. It enables powering devices with 9 V or 12 V and testing chargers. PDC005