15W Adjustable DC-DC CC CV USB 5V to 3.3V 9V 12V 24V 30v Step UP / Down Power Supply Module Adjustable Boost Buck Converter

15W Adjustable DC-DC CC CV USB 5V to 3.3V 9V 12V 24V 30v Step UP / Down Power Supply Module Adjustable Boost Buck Converter
sku: 33028695295
$3.99
Shipping from: China
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