DC DC Converter Boost Module for diy UPS mobile power 18650 lithium battery 3.7V 4.2V Charger & 5V 6V 9V 12V Discharger Board

DC DC Converter Boost Module for diy UPS mobile power 18650 lithium battery 3.7V 4.2V Charger & 5V 6V 9V 12V Discharger Board
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sku: 1005006085616925
$14.77
Shipping from: China
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