Balancer with measurement function for PWM, PPM and SBUS signals. It can be used as an all-purpose tool for checking battery health and testing signals used in modelling. ToolkitRC MC8

LP103451 lithium-polymer battery with a nominal voltage of 3.7 V and a capacity of 1850 mAh, equipped with a PCM protection circuit and a 150 mm lead terminated with a JST 2.54 2-pin connector. Akyga AKY0664

Compact charger module that allows you to power your electronics projects from USB-C, DC power (5-18V) or solar panel. Supports various cell types (LiIon, LiPoly, LiFePO4) and offers a choice of charging currents (250mA, 500mA, 1A), automatically optimizing energy harvest from solar panels without the need for an additional MPPT. With built-in power path management, status LEDs and regulated LOAD output (up to 4.5V), it is ideal for mobile and energy-independent projects. Adafruit 6091

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

Lithium-polymer Li-Po battery with a nominal voltage of 3.7V and a capacity of 750mAh, equipped with a PCM protection circuit and a lead with a JST 2.54 2-pin connector, 150mm long. Akyga AKY0655

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

Panasonic AA 1.5V LR6 Alkaline Battery is a reliable power source, ideal 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.

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

Step-Down DC-DC converter module based on the D36V6F5 chip. Input voltage 5.2..50V, output voltage 5V (max. 600mA). Pololu 3792

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

An intelligent power management module that optimizes the power supply of 3D printers, offering functions such as remote control via a local network and monitoring of energy parameters. With a shutdown timer and support for up to 10 printers in combination with BIQU Panda Touch, the module increases energy efficiency and simplifies device management, while overvoltage, overcurrent and short circuit protections ensure safe use. BIGTREETECH Panda PWR Intelligent Power Management Module

The Lanberg PS0-05E-0100-IEC-BK extension strip with 5 E-type sockets and an IEC C14 connector is an ideal solution for ensuring reliable emergency power supply. Thanks to the possibility of connecting directly to the UPS, the strip provides effective protection for many electronic devices in the event of a power outage. Lanberg PS0-05E-0100-IEC-BK

BLOW AA batteries combine high-quality craftsmanship with an affordable price. They are ideal for powering various digital cameras, portable CD players, shavers, remotes, toys, tools, flashlights, calculators, clocks, measuring instruments, and other electronic devices.

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.

Li-Po battery with a rated voltage of 3.7 V and a capacity of 800 mAh, equipped with a PCM protection and a 2.5 JST-RCY connector. Akyga LP503448

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

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.

Power supply with parameters 5V/1A and a 3.5 x 1.35 mm plug, ideal for low-power electronic devices such as cameras, routers or tablets. The long cable and lightweight design make it a practical power source. Akyga AK-TB-18

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.