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: 1005006208589850
$1.96+3%
$2.02
Shipping from: China
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