Durable Large Triangular Ruler Multi-Size Math Geometry Compass Multifunction Set Square School Office

1500W adjustable step-down module 50A battery charging drop board input 25-90v output 2.5-60 V

DC-DC Buck Power Converter 24V(20-40VDC) to 12V 30A 360W Step Down Module

AEE3-1 PCS 24V To 12V 15A 180W DC Converter Stabilizer Step-Down Transformer Silver Metal 12V Module Power Supply

10-50pcs DC-DC XL4015 Adjustable Step-Down Module 4~38V High Power 96% High Efficiency Low Ripple 5A

1-5pcs Wide Voltage AC220V 380V Input Isolated Regulated Power Board AC-DC to DC12V 10A 120W Industrial Step Down Module

2PCS 9V/12V/24V/36V to 5V step-down module DC-DC car charging solar 3A stabilized power module

Waterproof AC To DC Step Down Power Supply Module AC85-265V Input DC 5V 9V 12V 24V Output Buck Voltage Regulator Board

Adjustable 5A CC/CV Power Step-down Charge Module LED Driver W/ USB Voltmeter with Acrylic shell

12A High Power DC-DC Buck Module, 9-32V Input 12V/24V to 5V Step Down Power Supply

24V to 12V 5A 10A 60W 120W Transformer DC DC Converter Voltage Regulator Step Down Buck Module Power Supply for Car LED TV Solar

LM2596 Multi channel Switching Power Supply Module 3.3V/5V/12V/AJ Adjustable Output DC-DC Step Down Power Supply

PD3.1 Bidirectional Step-up and Step-down Fast Charging Module 140W Fast Charging PD3.1 Charger 28V5A High Power

10Pcs Adjustable Step-Down Power Module Buck Converter Supply Module Voltage Regulator for DIY Mobile Vehicle Camera

(A99Z] DPS3005 PSU Voltage Converter with USB Communication Step-Down Module with MODBUS Protocol Communication

A84X-SK150S CNC Finished+433M Kit Adjustable DC Voltage Regulator Constant Voltage Constant Current 8A 150W Step-Down Module

1500W Adjustable DC-DC Step-Down Converter 12-90V To 2.5-72V Constant Voltage Current Module

5-25PCS LM2596S DC-DC Adjustable Step-Down Power Module 3A 12/24V to 12/5/3.3V Regulated Board

TPS5450 Switching Power Supply Module DC-DC Step Down 5V/12V/24V Voltage Output Low Ripple

48V to 12V 5V DC-DC Adjustable Step-Down Module High Efficiency Voltage Regulator Board

10-50pcs LM2596S DC-DC Step-Down Power Module 3A Adjustable Voltage Regulator Outperforms LM2576 LM2596S-ADJ

NEW Numerical Control Step-up Voltage DC Adjustable Regulator Power Supply, Step-down Module Integrated Voltage Ammeter

24V to 12V 85A 100A 1020W 1200W DC DC Converter Transformer Voltage Regulator Step Down Buck Module LED Solar Car Power Supply

DC-DC 9V-36V To 12V 8A Buck-Boost Converter Module Wide Voltage Step Up Down Power Supply

LM2596 DC-DC Buck Converter Power Supply Module, Multi-Channel Step-Down 3.3V/5V/12V/ADJ Adjustable Voltage Output

5-25pcs QC2.0 QC3.0 Quick Charge DC-DC Step Down Module USB Fast Charger Phone Charging Power Board

Industrial DC-DC Step-Down Module 24V 36V 48V to 12V 6A with Wire & Enclosure for Vehicle

4PCS DC-DC step-down power module 5V/1A small three terminal voltage regulator 5.5V-32V input conversion efficiency 93%

LTC3780 DC-DC Voltage Converter 5-32V Input To 1-30V Output 10A Step-Up/Down Regulator Charging Power Supply Module

DC-DC Step-Down Power Module 12V/24V/36V To 5V 10A 50W Ultra-Thin Converter for Car Display & LED Screen

DC-DC Step Down Converter 12V 24V To 6V 3.3V 3.7V 4.2V 7.5V Vehicle Car Power Supply Voltage Reducer Module

AC 220V/380V To DC 5V/12V/24V Isolated Switching Power Supply Module 5W/10W/20W Step Down Converter Board

FOR DC Vehicle Transformer Module Voltage Regulator 60v48V24V To 12V5V3A10A15A Power Converter Step-down Diesel Generators

DC9-36V to 12V automatic step-up and step-down module 8A high current regulated power supply board

24V to 12V 120A 1440W Transformer DC DC Converter Voltage Regulator Reducer Step Down Buck Module Power Supply for Car LED Solar

DP50V5A CNC DC Stabilized Power Supply with Adjustable Voltage Step Down Converter DC 6-55V to DC 0-50V Buck Module

Mini Step Down Voltage Stabilizer Module 5V Fixed Output DC Converter 12V to 5V 36V to 12V Power Supply for Electronic Projects