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Lithium Battery Charger Protection Board
A Battery Management System (BMS) for a 4S battery pack. With this circuit you can safely make a battery pack of 4 series Li-ion/Li-Po batteries (cells). The circuit protects the battery pack against short circuits, overvoltage and undervoltage. In addition, the circuit ensures that the batteries are charged evenly (balance function). The circuit is supplied with protection connecting wires.
