Battery Protection Circuit Module (BMS/PCM) for 14S 51.8V Li-ion/Li-Polymer Battery Packs
Features and Benefits
1.Protection Circuit Board for 51.8V 14S Li-ion and Li-Polymer battery pack;
2.PCM applies for 14 cells Li-ion/Li-Polymer battery pack.
3.To prevent the battery packs from overcharge,overdischarge,over current, over temperature ,short circuit ;
4.Without cell balance/equilibrium function;
5.Compatible with both Li-ion and Li-Polymer cells;
6.Disable discharge when plugged into the charger;
7.PCM comes with all the voltage detection wires and connectors.
Specifications
Item |
Contents |
Criteria (Adjustable) |
|
1 |
Model |
JL22-CW14-001-A01-M13T30/CW1274ALBS |
14S-30A working current |
2 |
Voltage |
Charging voltage |
51.8V |
3 |
Current |
Maximal continuous charging current |
30A |
Maximal continuous discharging current |
30A |
||
Current consumption |
≤50μA |
||
4 |
Overcharge Protection |
Over charge detection voltage |
4.2V~4.35V(Adjustable) |
Over charge detection delay time |
0.5-1.5S |
||
Over charge release voltage |
4.0V~4.2V(Adjustable) |
||
5 |
Over Discharge Protection |
Over discharge detection voltage |
2.3V~3.0V(Adjustable) |
Over discharge detection delay time |
0.5-1.5S |
||
Over discharge release voltage |
2.3V~3.0V(Adjustable) |
||
6 |
Discharge Over Current Protection (1st Protection) |
Over current detection current R=0.5mR/70 |
Adjustable |
Detection delay time |
1s±500ms |
||
Release condition |
Cut load & charge to recover |
||
7 |
Discharge Over Current Protection (2nd Protection) |
Over current detection current |
Adjustable |
Detection delay time |
100ms±50 |
||
Release condition (delay: 100ms) |
Cut load & charge to recover |
||
8 |
Short Circuit Protection |
Short circuit detection current |
actual testing is needed |
Detection delay time |
150-350us |
||
Detection condition |
Cut load/charge to recover |
||
9 |
Balance |
Balance voltage for single cell |
/ |
Balance current for single cell |
/ |
||
10 |
Temperature Protection
10KNTC B=3435
|
Charge Over Temp Protection |
55°C±4°C |
Discharge Over Temp Protection |
70°C±4°C |
||
Charge Under Temp Protection |
0°C±4°C |
||
11 |
Resistance |
Inner resistance P- B- |
≤10mΩ |
12 |
Temperature |
Operating temperature range |
-20 ~ +60°C |
Storage temperature range |
-20 ~ +85°C |
||
13 |
Size (L*W*T) |
L85mm*W53mm*T10mm |