12V BMS 3S 4S 80A 315mA Balance Current 3.7v Li-ion/Lipo battery protection baord for 21700 battery 2 parallel 4 strings

12V BMS 3S 4S 80A 315mA Balance Current 3.7v Li-ion/Lipo battery protection baord for 21700 battery 2 parallel 4 strings

12.86 €

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