LM317T DC-DC Adjustable Converter Buck Step Down Circuit Board Module Linear Regulator Power Supply with rectifier filter

$0.28

TZT Dual Display DC-DC 5-23V To 0-16.5V 3A Max Step Down Power Supply Buck Converter Adjustable LCD Step-down Voltage Regulator

$2.58

TZT 5V 2A AC-DC Switching Power Module Isolated Power 220V to 5V Switch Step Down Buck Converter Bare Circuit Board 5V2A

$1.26

Mini DC-DC 12-24V To 5V 3A Step Down Power Supply Module Voltage Buck Converter Adjustable 97.5% 1.8V 2.5V 3.3V 5V 9V 12V

$0.27

TZT 24V/12V To 5V/5A 25W DC-DC Buck Step Down Power Supply Module Synchronous Rectification Power Converter

$1.18

TZT 4A Mini DC-DC Buck Converter 4.5V-16V 9V 12V to 5V 3.3V Step-down Power Voltage Regulator Module Efficiency 98%

$1.15

TZT 500W 18A Adjustable Power Supply Module DC-DC Step Down Buck Converter LED Driver 12-95V to 2-90V Voltage Regulator 12V

$4.17

35W/80W DC DC Buck Boost Converter CC CV Adjustable DC Voltage Regulator Power Supply Step Down Stabilized Module 6-36V 5-30V

$5.15

800W High Power DC-DC Buck Converter 30A solar stabilizers CV CC Step-Down power supply adjustable DC20V-70V voltage regulators

$14.10

1PCS 5A 75W Adjustable 5A CC/CV Power Step-down Charge Module LED Driver USB Voltmeter Ammeter Voltage Regulator

$1.09

TZT CN3903 3A Mini DC-DC Buck Step Down Converter Board Module 5V-30V to 3.3V 5V DC DC Voltage Regulator PCB Board Power Buck Module

$0.26

TZT DC DC 7V-60V to 5V 5A 4 Four USB Output Buck Converter Board Step Down Power Supply Module Car Charger High Speed

$2.80

TZT 8V-35V 5V 8A DC-DC Vehicle Charging Board Power Supply Depressurization Module 4 port USB Output mobile Charger

$2.12

USB DC Step-Down Module 12V 24V To QC2.0 QC3.0 Fast Charge Mobile Phone Charging Board For Apple Huawei FCP Quick Charger

$0.93

TZT Step Down Board 12V to 5V Mini DC-DC Step-Down Module 2A Supports 9V/7.3V/5V/3.3V Output

$0.27

LM2596 BUCK 3A DC-DC Voltage Adjustable Step Down Module 4.0~40V to 1.25-37V Adjustable Regulator With LED Voltmeter

$0.73

TZT Micro USB 12V to 5V 3A 15W DC-DC Car Power Converter Module Step Down Power Output Adapter Low Heat Auto Protection

$1.77

USB DC Step Down Module Isolated Power Supply Buck Converter Stabilizer 12V 24V 36V 48V 72V to 5V 1A

$0.80

TZT AC-DC Buck Step-down Converter Adjustable Power Supply Module 2A AC 5-20V DC 5-32V Output 3.3-18V Regulated Rectifier Filter

$0.52

LX8015 DC-DC Adjustable Step-down Power Module Input 5-80V To 1-62V 1.5A Power Converter Over XL7015 For Solar Energy Circuit

$0.50