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3S 40A BMS 11.1V 12.6V 18650 lithium battery protection Board with Enhance/balanced Version for drill 40A current diy kit

USD 1.51USD 2.16

3S 40A BMS 11.1V 12.6V 18650 lithium battery protection Board with Enhance/balanced Version for drill 40A current diy kit

Description
Specification
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