DC-DC Auto Boost Step Up Down Converter 3V 3.3V 3.7V 4.2V 6V to 5V 1000mA Voltage Regulator Charging Board PCB

DC-DC Auto Boost Step Up Down Converter 3V 3.3V 3.7V 4.2V 6V to 5V 1000mA Voltage Regulator Charging Board PCB
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sku: 1005004319920084
$1.81
Shipping from: China
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