Adapter with a voltage regulator 3.3V for NRF24L01

BMS protection module designed for 7 Li-Ion cells. It has a charging function with balancer option and an over-discharge protection function. Dedicated to an electric bicycle or scooter

Step Down converter module with an output voltage of 5 V and a maximum current of 2x2,5 A. The board is equipped with four USB connectors

This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 36V and efficiently reduces it to 5V. The board measures only 0.7″ × 0.7″ yet delivers a typical continuous output current of up to 2.5A and features reverse voltage protection. Pololu 2858

The Step-Up Converter Module converts input voltage (8.5-50V) and input current (up to 15A) to output voltage (10-60V) and output current (up to 12A) with high conversion efficiency (96%) and overvoltage protection high intensity. The module can operate in a wide temperature range (-40 - 85°C) and frequency (150kHz), allowing constant current adjustment from 0.2 to 12A.

Step-Down converter with adjustable output voltage from 1.25 to 36 V, input voltage from 4 to 38 V and maximum current up to 5 A

Step-Down converter D36V50F9 with an output voltage of 9 V, an input voltage from 9.9 to 50 V and a maximum output current of 7 A. Pololu 4094

Step-Down converter module with input voltage from 4.75 to 23V, output voltage from 1 to 17V and output current 1.8 A (3 A instantaneous current).

DC-DC Step-Down converter module. It has an input voltage from 5 to 45 V, an output voltage of 5 V and a maximum output current of up to 3.4 A. Pololu 4892

DC-DC Step-Up / Step-Down converter module. It has an input voltage of 6 to 35 V and an output voltage of 1 to 33 V. The current efficiency of the inverter is 0.05 to 5 A. DFRobot DFR0946

BMS protection module designed for 10 Li-Ion cells. It has a charging function with balancer option and an over-discharge protection function. Dedicated to an electric bicycle or scooter

The Step-Up converter module converts the voltage in the range of 3.5-30V to 4-30V with an efficiency of over 90% and a maximum power of 80W. Its compact dimensions (3.8 x 5.2 x 2cm) and wide operating temperature range (-40 - 85°C) make it ideal for many applications.

The S9V11MA switching step-up/step-down regulator efficiently produces a finely adjustable output between 2.5 V and 9 V whether it is higher or lower than the input voltage, which can range from 2 V to 16 V.  Pololu 2869 

Step-Up DC-DC converter module. It has an input voltage of 1.3 to 16 V, an output voltage of 5 V and a maximum input of up to 2 A. Pololu 4941

Power module with a USB Type-C connector based on the STUSB4500 system. It enables powering devices with voltages ranging from 5 V to 20 V and currents up to 5 A. Configuration via the I2C interface. SparkFun DEV-15801

The Step-Down 4A 3.3V/5.2V converter module is a compact device with a large input voltage range, enabling precise conversion to 3.3V or 5.2V output with low static power consumption and low output noise. Perfect for powering electronic projects and microcontroller circuits, offering stability and performance.

Step-Up/Step-Down DC-DC converter module. It has an input voltage of 2.8 to 22 V, an output voltage of 7.5 V and a maximum output of 2.5 A to 3.5 A. Pololu 4982