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

DC 5V 2.1A Mobile Power Diy Board, 3.7V Lithium 18650, 4.2V Charge/Discharge(boost)/battery Protection/indicator Module
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sku: 1005009461103271
$0.91
Shipping from: China
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