KKCHIP CD42 DC 5V 2.1A Mobile Power Board 4.2V Charge Discharge Boost Step Up Battery Protection DIY Module 3.7V Lithium 18650

KKCHIP CD42 DC 5V 2.1A Mobile Power Board 4.2V Charge Discharge Boost Step Up Battery Protection DIY Module 3.7V Lithium 18650
sku: 1005002259326422
$1.16
Shipping from: China
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