DC-DC Buck-Boost Power Module 2.5V-15V to 3.3/5/9/12V

$2.18

Step-Down Power Module 5A Constant Voltage Current LED Driver Battery Charger

$5.80

DIN Rail Switching Power Supply 12V 24V Industrial DC Transformer

$32.00

DC-DC Step-Down Module 3A Adjustable 24V to 12V/9V/5V/3V

$3.30

DVR Power Supply 12V 3.33A 40W Compatible with Dahua

$8.50

Boost Module 2A Adjustable Current Step-Up 5V/8V/9V/12V Output

$2.53

18650 Lithium Battery Charging Module 5V 2.4A Type-C Port

$2.95

DC-DC Step-Up Module 5V/9V/12V 3A Boosts 4.2V/5V to 12V

$13.69

18650 Lithium Battery Charging Board 3.7V 1A with Overcharge Protection

$0.45

DC-DC Step-Down Power Module 24V to 5V Isolated Regulated

$5.99

DC Boost Module 3.7V to 5V 3A High Efficiency

$5.42

Battery Module 3.7V to 1.5V for AAA Replacement

$3.20