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USB Boost Converter DC 5V to 9V 12V USB Step-up Converter Cable + 3.5x1.35mm Connecter For Power Supply/Charger/Power Converter - AliExpress

3.5*1.35mm USB Boost Cable Connector DC 5V to 5V 6V 12V Converter Step-up Cord for Wifi Router Modem Fan Speaker Powerbank - AliExpress

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1strip USB Power Boost Line DC 5V to DC 9V / 12V Step UP Module USB Converter Adapter Cable 2.1X5.5MM Plug

CCYC DC 5V to DC 12V USB Voltage Step Up Converter Cable

Usb 12v Adapter

Vrllinking Step Up Converter Cable, DC 5V to 12V USB Voltage Step Up Converter Power Cable for Router/Smart Camera/Desk Lamp/Speakers/Blue Tooth Headset/DVD Player/TV Monitor/Old Phone (Black 5.25Ft) : Electronics

Mini DC-DC voltage converter board with micro USB voltage input,just connected with USB power adapter then you can get 9V 12V 18V 24V voltge DC 2-24V

Eiechip dc to dc Step up Converter DC Voltage Regulator Voltage Converter Step Up dc Boost Converter USB Power Module Supply Module 2V-24V to 5V-28V

YACSEJAO DC 5V to DC 12V USB Voltage Step Up Converter Cable Power Supply USB Cable with DC Jack 5.5 x 2.1mm for Fan Led Light Router Speakers (5-12V) : Electronics