Protection Circuit Module Specifications  For 51.2V  LiFepo4 Battery  Pack    
model: PCM-L16S30-471（A-1）（16S）    
No Test   item  Criterion 
1 Voltage Charging voltage DC:57.6V    3.6V/Cell 
  Balance voltage for single cell 3.60±0.025V 
2 Current Balance current for single cell 36±5mA 
  Current consumption  ≤20μA 
  Maximal continuous charging current 25A 
  Maximal continuous Discharging current 25A 
3 Over charge Protection Over charge detection voltage 3.90±0.025V 
  Over charge detection delay time 0.5S—2S 
  Over charge release voltage 3.80±0.05V 
4 Over discharge protection） Over discharge detection voltage 2.00±0.05V 
  Over discharge detection delay time 10mS—300mS 
  Over discharge release voltage 2.3±0.05V 
5 Over current protection Over current detection voltage 0.10±0.015V 
  Over current detection current 75±10A 
  Detection delay time   5ms—20ms 
  Release condition Cut load 
6 Short protection Detection condition Exterior short circuit 
  Detection delay time 200-500us 
  Release condition Exterior short circuit 
7 Resistance Protection  circuitry ≤20mΩ 
8 Temperature Operating Temperature Range -40～+70℃ 
  Storage Temperature Range -40～+125℃