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Protection Circuit Module Specifications  For 25.9V Li-ion  Battery  Pack    
model: PCM-L08S08-331（A-2）（7S）    
No. Test   item  Criterion 
1 Voltage Charging voltage DC:29.4V  CC/CV 
  Balance voltage for single cell 4.20±0.025V 
2 Current Balance current for single cell 42±5mA 
  Current consumption  ≤20μA 
  Maximal continuous charging current 7A 
  Maximal continuous Discharging current 7A 
3 Over charge Protection Over charge detection voltage 4.25±0.025V 
  Over charge detection delay time 0.5S—2S 
  Over charge release voltage 4.05±0.05V 
4 Over discharge protection） Over discharge detection voltage 2.50±0.062V 
  Over discharge detection delay time 10mS—200mS 
  Over discharge release voltage 2.50±0.062V 
5 Over current protection Over current detection voltage 0.62V 
  Over current detection current 20±3A 
  Detection delay time  5ms—20ms 
  Release condition Cut load 
6 Short protection Detection condition Exterior short circuit 
  Detection delay time 200-500us 
  Release condition Cut load 
7 Resistance Protection  circuitry ≤50mΩ 
8 Temperature Operating Temperature Range -40～+85℃ 
  Storage Temperature Range -40～+125℃