18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah

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Lithium battery BMS function

release time:2023-02-08 Hits:     Popular:AG11 battery

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  The specific BMS function can be divided into five aspects:

  ① Detection and control: BMS must measure battery voltage, temperature and current. It must also detect the insulation failure, control the contactor and thermal management system.

  ② Protection: BMS must include electronics and logic, to warn or protect the operator of the battery power supply system and battery pack, and prevent overcharge, over -discharge, over -current, battery short circuit and extreme temperature through an additional cooling or heating system.

  ③ Interface: BMS must regularly communicate with the application of the battery pack as a power supply, reporting the energy and power available, and other indicators of the battery pack state. In addition, it must record abnormal errors or abuse events in permanent memory so that technicians can diagnose by occasional download.

  ④ Performance management: BMS must be able to estimate the charging state (SOC). It is best to estimate all the battery cells in the battery pack. Calculate the available energy and power limit of the battery pack, and balance the battery cell in the battery pack.

  ⑤ Diagnosis: In the end, BMS must be able to estimate the state of health (SOH), including detection abuse, and may need to estimate the remaining service life of the battery and battery packs.


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