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DC 5V 2.1A Mobile Power Diy Board 4.2V Charge/Discharge(boost)/battery Protection/indicator Module 3.7V Lithium 18650

USD 0.45

DC 5V 2.1A Mobile Power Diy Board 4.2V Charge/Discharge(boost)/battery Protection/indicator Module 3.7V Lithium 18650

Description
Specification
4PCS YSSR05 SOT-143
USD 8.58USD 9.03
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