Battery Protection Circuit Module (PCM) for 7.4V 2cells in series Li-ion/Li-Polymer Battery Packs
![](/htmledit/UploadFiles/201552503910780.jpg)
Features and Benefits
1.Protection Circuit Board for 7.4V 2S 4A Li-ion and li-polymer battery pack;
2.PCM/BMS applies for 2S Li-ion and Li-Polymer battery pack;
3.With overcharge/overdischarge protection;
4.With cell balance function;
5.Compatible with Lithum ion and Li-Pomyer cells.
6.With Balancing Function
Specifications
Item |
Contents |
Criteria |
|
1 |
Model |
HCX-2648 |
2S- 1.5A working current |
2 |
Voltage |
Charging voltage |
8.4V |
3 |
Current |
Maximal continuous charging current |
1.5A |
Maximal continuous discharging current |
1.5A |
||
Current consumption |
≤10μA |
||
4 |
Overcharge Protection |
Over charge detection voltage |
4.2V~4.35V(Adjustable) |
Over charge detection delay time |
1S |
||
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 |
114ms |
||
Over discharge release voltage |
2.3V~3.0V(Adjustable) |
||
6 |
Over Current Protection |
Over current detection voltage |
0.1V~0.2V(Adjustable) |
Over current detection current |
5A +1A |
||
Detection delay time |
9mS |
||
Release condition |
Cut load,automatically recover |
||
7 |
Short Circuit Protection |
Detection condition |
Exterior shot circuit |
Detection delay time |
300us |
||
Release condition |
Cut load,automatically recover |
||
8 |
Balance |
Balance voltage for single cell |
/ |
Balance current for single cell |
/ |
||
9 |
Resistance |
Inner resistance |
< 50 mΩ |
10 |
Temperature |
Operating temperature range |
-40 ~ +85°C |
Storage temperature range |
-40 ~ +125°C |
||
11 |
Size (L*W*H) |
L37mm*W14mm*T3mm |