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5V 2.1A Power Bank Charger Charge Module Charging Circuit Board PCB Step Up Boost Power Module DIY 18650 Battery

USD 0.71USD 1.04

5V 2.1A Power Bank Charger Charge Module Charging Circuit Board PCB Step Up Boost Power Module DIY 18650 Battery

Description
Specification
5pcs/LOT R7780G R7780 sop-7 IC
USD 11.37USD 15.36
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