DC-DC Auto Boost Buck Converter 3-35V to 1.25-30V 2A 18W Full Range Regulator Step-up Step-down Power Supply Module LM2587 - Walmart.com
Usb Adjustable Power Supply Module: Step Up Or Step Down Voltage Regulator - Temu
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Amazon.com: Oumefar 8A DC-DC Step-Down/Up Voltage Converter Module 5-30V to 1.25-30V Adjustable Buck/Boost Voltage Regulator Module for Voltage Conversion : Electronics
DC to DC Adjustable Step Up Boost Converter Power Supply Module Voltage Regulator DC 3-35V to DC 3.5-35V with Voltmeter Display
DC-DC Converter 100W 12V to 20V Step Up Power Supply Module QS-1220-100W | QSKJ
Step-Up DC-DC 12~97V 30A 1500W
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