Step Down converter module with an output voltage of 5 V and a maximum current of 3 A. The board is equipped with two USB connectors

The protection system for four Li-Ion cells with a voltage of 14.8 V. The module has the function of charging the cells, discharging and protecting against excessive discharge. The cells can be discharged with a continuous current of up to 18 A

Protection circuit for four Li-Ion cells with a voltage of 14.8V. The module has the function of charging cells with the option of a balancer, discharging and a function that protects the cells from excessive discharge. The cells can be charged with continuous current up to 10A

BMS module for six Li-Ion cells with a voltage of 22.2 V. It has the function of charging, discharging and over-discharge protection. The cells can be discharged with a continuous current of up to 14 A

The power supply module with the LiPo battery charging circuit, designed for the Wemos D1 Mini boards

Step-down converter with adjustable output voltage 1.2V-35V and current efficiency 9A. The module allows to limit the current consumption at the output via a multi-turn potentiometer. modxl4016sd

Miniature 4.2 V switching voltage regulator based on the AP63200 IC, input range 3.5 – 32 V, output current up to 1 A (1.5 A peak), efficiency up to 90%, dimensions 18 x 11 mm. KAmod-DCDC-AP63200 4.2V

Modular power supply with a power of 3 W, input voltage from 100 to 240 V and output voltage of 3.3 V. Designed for mounting on a PCB. Hi-Link HLK-PM03

The protection circuit for one Li-Ion cell with a voltage of 3.2 V. It has the function of charging, discharging and over-discharge protection. The module can work with a current of up to 12 A

3.3V Power Supply Module Board with Red Indicators, AMS1117-3.3V, RoHS

The trigger module is designed for chargers PD 2.0 and PD 3.0. It is equipped with a USB type C input and an output on a 5.08 mm ARK screw connector. Allows you to power devices with 5 V, 9 V, 12 V, 15 V and 20 V and test chargers by replacing the PD device

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

Step-Down XL4005 converter module with adjustable output voltage in the range from 0.8 to 30 V with a wide input voltage range from 4.5 to 30 V and a maximum output current of 5 A

BMS module for three Li-Ion cells with a voltage of 11.1 V. It has the function of charging with a balancer, discharging and over-discharge protection. The cells can be charged with a continuous current of up to 12 A

The LM7806 6 V 1.2 A 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 6 V power supply, being an invaluable component in the work of every electronics engineer

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.

KAmod TPS5401 is a compact Step-Down switching regulator based on the energy-efficient TPS5401 chip, providing an output voltage of 3.3 V, 5 V, or 12 V (depending on the version). It supports a maximum continuous current of 0.5 A and a wide input voltage range of 4...42 V, while its 2.54 mm pitch terminals allow for easy mounting.

Miniature 8.4 V switching voltage regulator based on the AP63200 IC, input range 3.5 - 32 V, output current up to 1 A (1.5 A peak), efficiency up to 90%, dimensions 18 x 11 mm. KAmod-DCDC-AP63200 8,4V

DFR0379

DC-DC Step Down converter module with input voltage from 7 to 24 V and output voltage of 5 V. Can supply currents up to 4 A. DFRobot DFR0831