2S 7 4V 8 4V 10A Charger Balancer Protection Board for Lithium Batteries
4,76 €
Upper limit working current: 10A. Short circuit protection. This module balances both charging and discharging the batteries. Internal resistance: less than 300mΩ. BM : First cell (counted from B-) Positive or where is first and second cell connection, middle connection.
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