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| Model Number : | BAKTH-3S4P-BQ-V1.0 | 
| Brand Name : | BAKTH | 
| Supply Ability : | 180000 Piece/Pieces per Month | 
| Price : | CN¥147.81/pieces | 
Smart PCB circuit board Printed Circuit Board/PCBA assembly BMS
3S4P for li ion battery pack





 2.1 Basic protection item for PCM
2.1 Basic protection item for PCM
| NO | Items | Protection condition | Delay time | Release condition | ||
| 1 | Cell Over charge voltage Cell | 1st level safty | 4.250V±0.025V | 2.0s±0.5s | 4.08±0.050V | |
| 2nd level safty | 4.35V±0.050V | 2.0s±0.5s | permanent fail | |||
| 2 | Cell Under discharge voltage | 1st level safty | 2.750V±0.025V | 2.0s±0.5s | 3.000±0.050V | |
| SUV Threshold | 2.000V±0.025V | 5.0s±0.5s | permanent fail | |||
| 3 | Over current | OCC1 Threshold | 8A±0.2A | 3.0s±0.5s | -50mA/5s | |
| OCC2 Threshold | 10A±0.2A | 2.0s±0.5s | -50mA/5s | |||
| OCD1 Threshold | 8A±0.2A | 3.0s±0.5s | 0mA/10s | |||
| OCD2 Threshold | 10A±0.2A | 2.0s±0.5s | 0mA/10s | |||
| AOLD Threshold | 30.0A±3.0A | 10ms-30ms | 0mA/5s | |||
| ASCC Threshold | 54.00A±5.0A | 350uS-600us | 0mA/5s | |||
| ASCD1 Threshold | 54.0A±5.0A | 800uS-1000us | 0mA/5s | |||
| ASCD2 Threshold | 66A±5.0A | 300uS-600us | 0mA/5s | |||
| 4 | Over temperature | OTC Threshold | 65±3℃ | 2.0s±0.5s | 60±3℃ | |
| OTD Threshold | 70±3℃ | 2.0s±0.5s | 60±3℃ | |||
| OTF Threshold | 90±3℃ | 2.0s±0.5s | 80±3℃ | |||
| UTC Threshold | -3±3℃ | 2.0s±0.5s | -0±3℃ | |||
| UTD Threshold | -25±3℃ | 2.0s±0.5s | -20±3℃ | |||
| 5 | Charge Balanced | Cell Balance Threshold | 3.600±0.050V | |||
| Balanced Cell Balance Window | 100mV | |||||
| Cell Balance Min | 40mV | |||||
| Cell Balance Interval | 20s | |||||
| 6 | continuous current | Charge current | 5.0A | |||
| discharging current | 5.0A | |||||
| 7 | (L*W*H)Size | 82*17*2.5mm±0.5mm | ||||



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| Shenzhen BAK Technology Co., Ltd. | 
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