3V 3.3V 4.2V 4.5V to 3.7V 5V 12V DC-DC Step Up Power Module Voltage Boost Converter Board for 18650 403040

3V 3.3V 4.2V 4.5V to 3.7V 5V 12V DC-DC Step Up Power Module Voltage Boost Converter Board for 18650 403040
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sku: 1005005447565573
$1.12
Shipping from: China
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