1PCS 9V/12V/24V to 5V DC-DC step-down car charger USB car charger 3A output buck regulator power supply module

$0.39

QC3.0 QC2.0 Dual USB 6A 9V-32V 12V 24V to 5V Fast Quick Charger Step Down Module

$2.12

CA1235 3A Adjustable Power Module CA-1235 Buck Power Module 1.25V 1.5/1.8/ 2.5/3.3V 5V Output 5-16V Input Step-Down Power Supply

$0.23

5A XL4015 DC-DC 4-38V to 1.25-36V 24V 12V 9V 5V Step Down Adjustable Power Supply Module LED Lithium Charger With Heat Sink

$0.50

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 3W DC IN 7-30V OUT 700mA LED Lamp Driver Support PMW Dimmer DC-DC 7.0-30V to 1.2-28V Step Down Buck Converter Module

$0.59

QC4.0 QC3.0 Type-C DC12-28V 5A 100W Step Down Mobile phone quick charger module for Huawei SCP/FCP Apple PD Qualcomm

$7.66

TZT Mini360 DC-DC HM Buck Converter Step Down Power Supply Module 4.75-23V to 1-17V 340KHz Mini-360 Ultra-small+ 17x11x3.8

$0.25

9V 12V 24V to 5V DC-DC Step Down Charger Power Module Dual USB Output Buck Voltage Board 3A Car Charge Charging Regulator 6-26V

$0.33

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

$1.18

TZT L7805 LM7805 Step Down Converter Board 7.5V-20V To 5V Regulator Buck Power Supply Module For Arduino

$0.57

TZT 5V 2A Solar Panel Power Bank USB Charge Voltage Controller Regulator 6-20V To 5V Step Down Module With LED Indicator

$0.53

DC-DC 400W 15A Step Down Buck Converter DC 10V-60V To 0-45V Constant Voltage Constant Current Adjustable Power Supply Module

$4.09

DC 150W 10A Step Down Converter Constant Current Power Supply LED Driver 5-40V To 1-36V Battery Charger With Indicator Regulator

$2.20

TZT LM317 DC-DC Converter Buck Step Down Circuit Board Module Linear Regulator LM317 Adjustable Voltage Regulator Power Supply

$0.28

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

Dual USB 5-18V To 5V 9V 12V 2A/3A PD Fast Charge Solar Panel Power Bank Charge Voltage Controller Regulator With LED Indicator

$1.56

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