600MA 3A DC-DC Buck Converter 0.9V~5V boost step-down Module,TP4056 Mini USB phone charger 1A power supply Module

600MA 3A DC-DC Buck Converter 0.9V~5V boost step-down Module,TP4056 Mini USB phone charger 1A power supply Module
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sku: 1005002064763650
$2.43
Shipping from: China
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