DC 5V 2.1A Mobile Power Diy Board 4.2V Charge / Discharge Boost Battery Protection Indicator Module 3.7V Lithium 18650

DC 5V 2.1A Mobile Power Diy Board 4.2V Charge / Discharge Boost Battery Protection Indicator Module 3.7V Lithium 18650
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sku: 1005005224073121
$0.72
Shipping from: China
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