DC-DC Step-Down Power Module 5V-30V to 3.3V/5V 3A Mini Buck Converter

$3.52

Lithium Battery Charging Board Module with Type-C USB Interface

$0.75

DC-DC Step-Up Voltage Regulator Module 2A Input 2-24V Output 5/9/12/28V

$2.44

Lithium Battery Protection Board 3S 4S 12.6V 18650 40A

$6.60

Switching Power Supply 24V 300W Ultra-Thin Compact

$128.00

DC-DC Buck Power Module 24V/12V to 5V 5A Car USB Output

$10.82

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

$2.20

Power Module AMS1117-3.3-5.0 LDO Linear Regulator 800mA

$0.68

DC-DC Buck Board Adjustable Output Power Module 24V to 3.3V

$4.80

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

$3.81

AC-DC Step-Down Module 220V to 5V/9V/12V 1A Isolated

$4.18

Voltage Regulator Module DC 3.3V 5V Adjustable for Smart Car

$10.60