Questions

What is the maximum voltage that 3S BMS voltage can input?

The maximum voltage that the BMS can handle should be 12.6 volts.

  1. I recommend that you do not connect a 24-volt power supply unit to the BMS as this will cause the power supply unit to overcharge and potentially explode. This is due to the fact that a power supply that exceeds the rated 3S BMS voltage and the battery pack can cause serious damage and safety risks to the batteries.
  2. It is possible to continue to use the 12.3-volt power supply unit as there do not appear to be any problems with it so far. This is because the router will work fine with voltages ranging from 8 volts to 24 volts, but the 3S BMS will not. The battery management system should have a maximum voltage of 12.6 volts. This is the maximum voltage limit that the user should follow when using the power unit to ensure the safe operation of the battery and 3S BMS.

MORE: If the voltage limit of the charge controller is too high, will BMS limit the voltage of battery charging?

Jessica Liu

Jessica Liu, an engineer at MOKOEnergy with 6 years of work experience, majored in automation at Hubei University of Technology. She has been involved in leading and monitoring comprehensive projects when worked for a top new energy company before. She is certified in PMP, IPD, IATF16949, and ACP. She excels in IoT devices, new energy MCU, VCU, solar inverter, and BMS.

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Jessica Liu

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