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

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.

Travel adapter suitable for over 150 countries, with a built-in 12W charger and two USB-A ports, has retractable plugs with a lock, universal socket, child safety lock, flame-retardanthousing, and a spare 8A ceramic fuse, does not convert 230V voltage to 110V. YT-81301

Li-Ion 18650 battery with a nominal voltage of 3.6V and a capacity of 3500mAh. It has protection against overcharging, excessive discharge, overload and short circuit.

The Step-Up/Step-DownS7V8F5 Buck Voltage Regulator module with output voltage 5V, input voltage range of 2.7-11.8V and a maximum output current of 0.5-1A. Pololu 2123

Step-Up DC-DC converter module. It has an input voltage of 1.3 to 16 V, an output voltage of 3.3 V and a maximum input of up to 2 A. Pololu 4940

Monocrystalline Solar Panel is a monocrystalline solar panel with 5V output voltage and 1A current efficiency of 27.5 x 16 x 0.2cm. DFRobot FIT0601

Power adapter with a 5.5x2.1mm DC jack plug, with an output voltage of 19 V and a maximum current of 7 A. Designed, among others, to work with Odroid H3, Odroid H3+ and SmartPower3 computers

BLOW PS-310 splitter is a practical and durable solution for everyday use at home or in the office, ideal for powering laptops, TVs, vacuum cleaners, and other devices. Its compact form, angled plug, and built-in switch make it a convenient tool that enhances the functionality of electrical installations in confined spaces.

 Pololu 2831

Lithium-polymer Li-Po battery with a nominal voltage of 3.7V and a capacity of 980mAh, equipped with a PCM protection circuit and a lead with a JST 2.54 2-pin connector, 150mm long. Akyga AKY0081

The S7V8F3 step-up/step-down converter regulates the voltage at 3.3 V, supporting an input voltage range of 2.7 V to 11.8 V, making it ideal for battery-powered applications. With an efficiency of over 90% and protection against short circuits and overheating, it provides reliable and energy-efficient operation in a wide range of conditions. Pololu 2122

The holder for 4 AA R6 batteries is an ideal solution for people who need a simple and reliable way to connect AA batteries to obtain a voltage of 6 V

Battery and rechargeable battery tester compatible with 1,5 V and 9 V cells, enabling quick charge level verification using an analog indicator. Powered directly by the tested battery, without the need for an external power source. Neo Tools 94-009

Li-Po battery with a rated voltage of 3.7 V and a capacity of 190 mAh, equipped with a PCM protection and a 2.5 JST-RCY connector. Akyga AKY0477 - LP402030

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

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.

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

Set of 10 everActive Pro Alkaline AAA / LR03 batteries with a capacity of 1250 mAh and a voltage of 1.5 V, designed for devices with low and high power consumption. Reinforced construction and a 10-year shelf life ensure reliability in demanding applications.

Solar Li-Ion battery charger board based on the CN3791 with maximum power point tracking (MPPT). It supports 6V, 9V, 12V and 18V solar panels, CC/CV charging up to 4.2V, spring terminals and a JST battery connector. Soldered 333136