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2PCS 18650 lithium battery pack 2 series protection board 7.4V 8.4V maximum 3A current to prevent overcharge and overdischarge

USD 1.30USD 1.40

2PCS 18650 lithium battery pack 2 series protection board 7.4V 8.4V maximum 3A current to prevent overcharge and overdischarge

Description
Specification
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