1-10PCS DD4012SA DC-DC 5-40V to 3.3V/5V/6V/7.5V/9V/12V 1A Step-Down Buck Converter Module Adjustable Regulator for Power Supply
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12V24V To 3V 3.3V 3.7V 4.2V 5V 6V 7.5V 9V 12V Power Supply Voltage Converter Buck Step-Down Module DC To DC Converter For Car
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XL3608 5V 9V 12V 2A Mini DC-DC Step Up Booster Switching Power Supply Module Switch Board 2.5V-11.5V Input Voltage
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DC-DC 5V to 3 3V 9V 12V 24V USB Step Up Down Power Supply Module Adjustable Boost Buck Converter
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Type-C 15W 3A 18650 Battery Charger Module DC-DC Boost 5V 9V 12V UPS Power Supply Converter
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DD05CVSA 1S Lithium Battery Boost Converter Module, 3.7V to 5V/6V/9V/12V DC-DC Step-Up Voltage Regulator for DIY Power Bank
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DC-DC 5V to 3.5V/ 9V/12V LCD USB Step UP/Down desktop Power Supply Module Adjustable Boost Buck Converter voltmeter Out 1.2V-24V
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600MA DC-DC Automatic Buck Boost Power Module Step Up and Down Board Input 3V-15V Output 3.3V/5V/4.2V/9V/12V Electronic DIY PCB
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