1S/2S/3S Lithium Battery Charging Board DC-DC Lithium Battery Step Down Protection Module 2A 4.2V/8.4V/12.6V Voltage Protect

1S/2S/3S Lithium Battery Charging Board DC-DC Lithium Battery Step Down Protection Module 2A 4.2V/8.4V/12.6V Voltage Protect
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sku: 1005005795985466
$2.03
Shipping from: China
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