Adjustable Voltage Regulator Board DC-DC Step-Down Module LM317

$2.53

Lithium Battery Charging Module Board 1A with Integrated Protection

$0.60

18650 Lithium Battery Charging Module 3.7V-4.2V Type-C

$2.85

DC-DC Step-Down Voltage Regulator Module 24V to 12/5/3.3V Adjustable

$3.28

Power Module AMS1117 Step-Down Voltage Regulator Board

$0.30

Power Supply Module 5V for LCD TV and Set-Top Box

$5.90

DC-DC Step-Down Power Supply Module 24V to 12/5V 3A

$1.70

DC-DC Boost Converter Module 1800W 40A Adjustable Constant Voltage Current

$27.80

DC-DC Step-Down Power Module 3A Adjustable Voltage Regulator

$3.50

USB Charger Module 12V/24V to QC3.0 for Car

$5.90

DC-DC Converter 8A Step-Up/Step-Down Module 5V 9V 12V 24V High Current

$13.65

12V Switching Power Supply Module 1A-6A AC to DC Converter

$1.15