The AG4 alkaline battery (also known as L626 or LR66) with a 1.5V voltage is a small power source, ideal for small electronic devices such as watches, calculators, and toys. Its compact size allows it to be used in devices that require small batteries. The blister pack contains 10 pieces, providing a practical solution for users who need reliable power.

Set of 4 Panasonic Eneloop R3/AAA rechargeable batteries with 800 mAh capacity and 1.2V voltage. Packaged in eco-friendly packaging (blister). Panasonic BK-4MCDE/4BE

Adapter cable enables secure connection between a charger with an XT60 input and power sources using clip leads. Ideal for modelers and electronics users needing flexible wiring options and compatibility between XT60‑equipped chargers and clip-style terminals.

Power multiplexer based on Texas Instruments TPS2113A. It enables smooth switching between two power sources from 2.8 V to 5.5 V. Pololu 2596

CR123A lithium battery with 3V voltage and 1400mAh capacity. GP CR123A

The Step-UpU1V11F3 Buck Voltage Regulator module with output voltage 3.3V, input voltage range of 0.5-5.5V and a maximum output current of 1.2A. Pololu 2561

The charger is designed to charge R6/AA and R03/AAA NiMH batteries. It allows you to simultaneously charge 2 or 4 batteries. Panasonic BQ-CC51

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.

AA/LR6/R6 alkaline battery with 1.5V voltage. 6 pcs. GP15AU

The D-size zinc-carbon batteries are economical power sources, suitable for low-energy devices such as wall clocks and flashlights. They provide stable voltage and are available in packages containing several pieces, offering a practical solution for users who need reliable power.

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.

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.

Step-Down converter D36V28F7 with an output voltage of 7.5 V, an input voltage from 8 to 50 V and a maximum output current of 3.7 A. Pololu 3784

Bulk pack of 40 everActive Industrial Alkaline AA batteries offers 1.5 V and 2700 mAh capacity for high-performance, long-lasting power in professional and personal applications.

XTAR MC2+ is a compact, dual-channel charger for lithium-ion batteries, such as 18650, that automatically adjusts the charging current to the cell condition. Thanks to the "Zero Volt Activation" function, it can reactivate deeply discharged cells, and power supply via the micro-USB port provides convenience and mobility.

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

Step-down DC-DC converter module that converts a 12 V or 11.1 V output voltage (e.g. from a lithium battery) to a voltage in the range of 1.8 V to 5.1 V. It has a power output of up to 60 W, and with an output current of up to 18 A, the module can be used to power a 5 m WS2812 RGB LED strip. DFRobot DFR1025

Step-Down converter D36V28F12 with an output voltage of 12 V, an input voltage from 12.9 to 50 V and a maximum output current of 3.3 A. Pololu 3786

The lead module for the ATX power supply has 24 pins, a switch and 4 voltage modes, providing flexibility in device testing. Its compact dimensions of 12.8 cm x 4.8 cm and built-in fuses guarantee easy installation and safe use.

The DC charging and discharging module provides a stable 5V output with a maximum load current of 2A, regardless of the connected device. Equipped with a charge level indicator, push-button control and battery protection, it is suitable for projects such as DIY power banks, driving recorder power supply or charging mobile devices. DFRobot DFR1026