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PowerBoost 500 Basic - 5V USB Boost @ 500mA from 1.8V+ : ID 1903 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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For Power Supply/Charger/Power Converter. Input Voltage: 5VDC from USB port and has switchable Output Voltage: 9V or 12VDC Rated at Max.
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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
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Amazon.com: PEMENOL 15W DC-DC Buck Boost Voltage Converter, 5V to 3.3V 9V 12V 24V 30V CVCC Step Up/Down Module Adjustable USB Power Supply Module with Shell : Electronics
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0.9V-5V input, 5V USB Output Boost Regulator Module [CE8301] - US $0.70 : HAOYU Electronics : Make Engineers Job Easier
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PowerBoost 1000 Basic - 5V USB Boost @ 1000mA from 1.8V+ : ID 2030 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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HW-132 Case] - USB Step Up Power Supply Module / Voltage Regulator by Dejv311 | Download free STL model | Printables.com
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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
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Amazon.com: DROK USB to 9v, 5v to 9v USB Boost Converter, USB Cable DC 5v Step Up to 9v, 1.5A Power Regulator Line with 5.5mm Port 1.2 Meter Length : Electronics
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