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Amazon.com: 2PCS USB Step UP / Down Power Supply Module, Adjustable DC-DC 5V to 3.5V / 12V Boost Buck Converter Out DC 1.2V-24V : Electronics
Amazon.com: CenryKay 15W USB Adjustable Step Up/Down Voltage Converter DC-DC 5V to 3.3V 9V 12V 24V 30V Buck-Boost USB Power Supply Module with Shell : Electronics
Amazon.com: DROK USB to 9v, 5v to 12v Step Up, USB Cable DC 5V Boost to 9V 12V Voltage Converter 1A Step-up Volt Transformer Power Regulator Line with LED Display : Electronics
0.9V-5V input, 5V USB Output Boost Regulator Module [CE8301] - US $0.70 : HAOYU Electronics : Make Engineers Job Easier
5v 9v/12v 1a Usb Charge Power Boost Step Cable Step - Temu
USB Voltage Regulator
USB Boost Converter DC 5V to 9V 12V USB Step-up Converter Cable + 3.5x1.35mm | eBay
BESTEK 4-Port USB Voltage Converter 3 AC Outlets, UK/US/AU Plug
For Power Supply/Charger/Power Converter. Input Voltage: 5VDC from USB port and has switchable Output Voltage: 9V or 12VDC Rated at Max.
Boost converter USB 0.9V~5V to 5V 600MA – ielectrony
dc dc usb boost power converter| Alibaba.com
USB Step Up Converter
Bescor 5V USB to 8V Power Converter for DC Coupler/Dummy 5VUSB8V
USB To 12V Boost Converter using LM2577 - Electronics-Lab.com
12V to 5V USB Power Converter – Konnected
Amazon.com: USB Buck Boost Voltage Converter, 15W LCD Step Up Down Power Supply Module Support Fast-Charge of QC 2.0, QC 3.0, FCP, SCP, AFC,Portable Voltage Regulator for Small Electronic Projects : Electronics
0.9-5V to 5V USB Step Up Boost Converter Module - Einstronic Enterprise
USB Buck Boost Converter
USB Step-up Boost Converter DC 5V to 9V 12V - DFRobot
USB Step-up Boost Converter DC 5V to 9V 12V - DFRobot
DC to DC USB Step Up Step Down Power Supply Module | Adjustable Boost Buck Converter
Amazon.com: PEMENOL DC-DC CNC USB Step Up/Down Power Supply Regulator Module 3.5V-12V to 1.0V-24V 2-3W, Adjustable Boost Buck Voltage Converter Digital Display Voltmeter Ammeter Battery Capacity Tester : Electronics
CE036 DC 5V TO 12V USB to DC 5.5*2.1mm Cable DC-DC Boost Conerter Ste – Many Favours