Boosts Converter Step Up Power Module Charge Discharge Module for 4.2V Battery

3S 12V 18650 Lithium Battery Board 11.1V 12.6V Overcharge Over-Discharge2580

3S 12V 18650 Lithium Battery Board 11.1V 12.6V Overcharge Over-Discharge6989

3S 12V 18650 Lithium Battery Board 11.1V 12.6V Overcharge Over-Discharge6559

3S 12V 18650 Lithium Battery Board 11.1V 12.6V Overcharge Over-Discharge7305

3S 12V 18650 Lithium Battery Board 11.1V 12.6V Overcharge Over-Discharge8491

3S 12V 18650 Lithium Battery Board 11.1V 12.6V Overcharge Over-Discharge3376

3S 12V 18650 Lithium Battery Board 11.1V 12.6V Overcharge Over-Discharge9971