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

4 Four USB Port A5268 Step Down Power Supply Converter Board Module DC 12V 24V 40V to 5V 5A For MP3/MP4 Phone Car Equipment

$1.56

TZT 5V USB Output Converter DC 7V-24V To 5V 3A Step-Down Buck KIS3R33S Module KIS-3R33S

$1.47

DC/CC Adjustable 0.2- 9A 300W Step Down Buck Converter 5-40V To 1.2-35V Power Supply Module LED Driver for Arduino

$1.26

TZT DIY Electric Unit High quality C-D C CC CV Buck Converter Step-down Power Module 7-32V to 0.8-28V 9A 300W XL4016

$1.26

TZT 5V 2A AC-DC Switching Power Module Isolated Power 220V to 5V Switch Step Down Buck Converter Bare Circuit Board 5V2A

$1.26

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

$1.18

TZT 4A Mini DC-DC Buck Converter 4.5V-16V 9V 12V to 5V 3.3V Step-down Power Voltage Regulator Module Efficiency 98%

$1.15

TZT 9V 12V 24V to 5V 3A USB step-down voltage regulator module DC-DC Converter Phone Charger Car Power Supply Module charger

$1.12

1PCS 5A 75W Adjustable 5A CC/CV Power Step-down Charge Module LED Driver USB Voltmeter Ammeter Voltage Regulator

$1.12

Automatic Protection! 5A Max DC-DC XL4015 Step Down Buck Power Supply Module Adjustable CC/CV Lithium Charge Board for Arduino

$1.08

XH-M404 DC 4-40V 8A 200W Voltage Regulator Module Digital PWM Adjustabl DC-DC Step Down Voltage Regulator DC XL4016E1

$1.03

DC 9-16V To 5V 4.2V 3.3V Converter Power Module 10A 50W Buck Module Regulator Buck Board Voltage Power Module Accessories

$0.96

TZT XL4015 High power 5A 75W DC-DC Adjustable Step-down Charger Module Step Down Buck Converter LED Driver with Red Voltmeter

$0.96

USB DC Step-Down Module 12V 24V To QC2.0 QC3.0 Fast Charge Mobile Phone Charging Board For Apple Huawei FCP Quick Charger

$0.89

TZT DC 9V 12V 24V 36V 48V 72V 84V 120V to 5V 3A Step Down Module Power Supply dc dc converter Buck Converter step up converte

$0.88

USB DC Step Down Module Isolated Power Supply Buck Converter Stabilizer 12V 24V 36V 48V 72V to 5V 1A

$0.80

XL4016 PWM Adjustable 4-36V To 1.25-36V Step-Down Board Module Max 8A 200W DC-DC Step Down Buck Converter Power Supply

$0.77

TZT LM2596 DC 4.0~40 to 1.3-37V Adjustable Step-Down Power Module + LED Voltmeter DC/DC

$0.73

LM2596 BUCK 3A DC-DC Voltage Adjustable Step Down Module 4.0~40V to 1.25-37V Adjustable Regulator With LED Voltmeter

$0.73