2A DC 5V 4.2V 3.7V to 3.3V Step-down Conversion Module 18650 Lithium Battery for Microcontroller Power Supply

2A DC 5V 4.2V 3.7V to 3.3V Step-down Conversion Module 18650 Lithium Battery for Microcontroller Power Supply
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sku: 1005004617539287
$21.36
Shipping from: China
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