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Amazon.com: DC-DC Buck Converter Step Down Module, DC 6.5V-60V to 1.25-30V Maximum 10A Adjustable Power Supply Voltage Regulator Module, Voltage Step Down Converter Board : Electronics
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Amazon.com: DC-DC Buck Converter Step Down Module, DC 6.5V-60V to 1.25-30V Maximum 10A Adjustable Power Supply Voltage Regulator Module, Voltage Step Down Converter Board : Electronics
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SEYAS 500W Auto Step Up & Step Down Voltage Transformer Converter, 110-120 to 220-240 Volts, Soft Start & Full Load, 7x24hrs Continous Run, Circuit Breaker Protection, U.S. Patent No. US9225259 B2
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