Safety system for two Li-Ion cells with 7.4V. The module has the function of charging cells with the balancer, discharging and the function of protecting the cells against discharge. Cells can be charged with continuous current up to 5A. modBMS5A

Step-Down converter with an output voltage of 5 V, an input voltage of 6.5 to 16 V and a maximum current of 4 A

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

The protection circuit for one Li-Ion cell with a voltage of 3.7 V. It has the function of charging, discharging and over-discharge protection. The cells can be discharged with a continuous current of up to 8 A

The LM7805 5V 1.2A linear stabilizer module is a reliable and easy-to-use voltage stabilization solution for all electronics projects. Thanks to its solid construction, built-in protections and high efficiency, this module provides a safe and constant 5V power supply, being an invaluable component in the work of every electronics engineer

The AMS1117 voltage regulator module is a reliable voltage regulation solution offering a wide input voltage range and high output current, ideal for prototyping applications in electronics and robotics projects

Step-Up/Step-Down converter with an output voltage of 3.3 V, an input voltage of 2.5 to 15 V and a maximum current of 600 mA. DFRobot DFR0568

DFR0379

The module provides convenient and safe power supply for projects on breadboards with different voltage levels. It is useful when designing and testing electronic devices, microprocessor systems and prototype systems requiring stable and precise power supply

The Step Down DC-DC converter module (MP2307) allows to obtain 0.93..18V output voltage at 4.75..24V input voltage. The output voltage is regulated by a potentiometer

Step-Up DC-DC converter module. It has an input voltage of 1.3 to 16 V, an output voltage of 9 V and a maximum input of up to 2 A. Pololu 4944

DC-AC converter, also referred to as an inverter. It converts a constant voltage (DC) of 12 V to an alternating voltage (AC) of 110 V, 200 V, 220 V or 280 V

Step-up DC-DC converter module, 0.9-5V input voltage, 5V output voltage (max. 500 mA) connected to the USB socket. There is a diode on the board indicating the power connection

Step-up DC-DC converter module, 0.9-5V input voltage, 5V output voltage (max. 600 mA) connected to the USB socket. There is a diode on the board indicating the power connection. modPS

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

The DC-DC Buck Converter DC5-36-TO-DC3V3-5 in SMD version is designed for direct surface mounting. With selectable output voltage and high efficiency, it is suitable for applications involving microcontrollers, IoT systems, and mobile electronic devices.

A power supply based on a DC-DC converter with a current capacity of up to 4 A. The input voltage can range from 5 V to 30 V, while the output voltage is adjustable from 0.5 V to 30 V. ZK-4KX

Module with LM2596 step-down converter and LM2577 step-up converter. The inverter has a battery and battery indicator with constant current

Step-Up converter module with adjustable output voltage in the range from 3 to 30 V with a wide input voltage range from 2 to 24 V and a maximum output current of 4 A. The board is equipped with a USB connector

BMS system for five Li-Ion cells with a voltage of 21 V. It has the function of charging with balancer, discharging and over-discharge protection. The cells can be charged with continuous current up to 60 A and discharged with current up to 80 A