2S Li-ion BMS Board

Model : MIS-00517

Supplier : Made in China

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2S Li-ion BMS Board

Lithium batteries is now very popular of their superior performance. But for imbalance charging, over discharging, over charging and short-circuit may damage the battery performance. To optimize the battery performance, maximize lifetime and ensuring safe operation is mandatory. Only a well-designed Battery Management System (BMS) can protects and monitors a lithium battery during charging and discharging.



  • Over and Under Voltage Protection
  • Overcurrent and Short-Circuit Protection
  • Balance Charging


Note: Output terminal (P+ & P-) will be at 0V initially after attaching batteries between (B+ & BM) and (B- & BM). You need to put external 8.4V between P+ & P- for about 3 seconds to "activate" the BMS board. After that, P+ & P- will provide voltage output according to battery voltage.

  • Origin: CN
  • Charging Voltage to P+ & P- : 8.4V (8.5V max, batteries won't charge at more voltage) 
  • Load Current: 3A
  • Over charge voltage (per battery): 4.25 to 4.35v (±0.05V)
  • Over discharge voltage (per battery): 2.3 to 3.0v (±0.05V)
  • Max continuous current: 3A         
  • Max peak current: 5A   
  • Working temperature: -40 to +50 degree centigrade
  • Storage Temperature:-40 to +80 degree centigrade
  • Small current: less than 3uA          
  • Life cycle: more than 50000 hours 
  • Resistance: Less than 45m              
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