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5pcs USB DC-DC Adjustable Step-down Power Supply Module 2 Channel Input Dual-board Car Charger Solar 3A 12V 24V To 5V Regulator

USD 3.53USD 5.52

5pcs USB DC-DC Adjustable Step-down Power Supply Module 2 Channel Input Dual-board Car Charger Solar 3A 12V 24V To 5V Regulator

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Specification
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