2S 10A 7.4V 18650 lithium battery protection board 8.4V balanced function/overcharged protection

$0.47

USB QC3.0 QC2.0 DC-DC Buck Converter Charging Step Down Module 6-32V 9V 12V 24V to Fast Quick Charger Circuit Board 3V 5V 12V

$0.33

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

$3.10

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

$0.73

TZT 5V 700mA(3.5W) isolated switch power supply module AC 220v to 5v DC for Arduino AC-DC buck step-down module 220V turn 5V

$0.45

LM2596S DC-DC 3.6-46V 3A adjustable step-down power Supply module With reverse connection protection 5V voltage regulator RED

$0.42

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

Mini360 DC-DC Buck Converter Step Down Module 4.75V-23V to 1V-17V 17x11x3.8mm

$0.25

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

$1.09

LM2596HVS LM2596 power supply module DC-DC BUCK 3A adjustable buck module regulator ultra LM2596S Step down 24V switch 12V 5V 3V

$0.34

LM2596 LM2596S power module + LED Voltmeter DC-DC adjustable step-down power supply module with digital display

$0.61

LM2596 LM2596S power module + LED Voltmeter DC-DC adjustable step-down power supply module with digital display

$0.61

TZT DC-DC Auto Boost Buck adjustable step down Converter XL6009 Module Solar Voltage

$0.55

TZT MP1584EN Ultra-small size DC-DC step-down power supply module 3A adjustable step-down module super LM2596 XM1584

$0.25

5V Dual USB 8*18650 Power Bank Battery Box Mobile Phone Charger DIY Shell Case For Smart Phone MP3 Electronic Mobile Charging

$2.02

ESP32 ESP32S For Wemos For Raspberry Pi 18650 Battery Charge Shield Board V3 Micro USB Port Type-A USB 0.5A For Arduino Charge

$0.80

DC DC Buck Boost Converter CC CV 0.6-36V 5A 5V 12V 24V Power Module Adjustable Regulated laboratory power supply SK80

$7.13

DC3-5V DIY Kit High Voltage Generator Arc Igniter Lighter Kit for DIY Electronic Production Suite

$0.72

LED LCD Universal TV Backlight Constant Current Backlight Lamp Driver Board Boost Step Up Module 10.8-24V to 15-80V 14-37 Inch

$1.11

DC-DC power supply module boost module step-up voltage converter Voltage regulator XL6019 adjustable output

$0.48