Battery Protection Circuit Module (PCM) for 7.4V 2cells in series Li-ion/Li-Polymer Battery Packs
Features and Benefits
1.Battery management circuit board for 7.4V 2S Li-ion and Li-polymer battery pack;
2.BMS/PCB/PCM applies for 2 cells Li-ion/Li-polymer battery pack;
3.To prevent the battery packs from overcharge,overdischarge,over current, over temperature ,short circuit ;
4.The Maximal working current: 4.5A;
5.Compatible with both Li-ion and Li-Polymer cells.
Specifications
Item |
Content |
Criterion |
|
1 |
over charge protection voltage |
4.3±0.05V |
|
2 |
over charge recovery voltage |
4.1±0.05V |
|
3 |
over charge protection delay time |
920ms-1380ms |
|
4 |
over discharge protection voltage |
2.40±0.1V |
|
5 |
over discharge recovery voltage |
3.0±0.1V |
|
6 |
over discharge protection delay time |
98ms-173ms |
|
7 |
over current protection current |
6.0-12.0A |
|
8 |
short protection delay time |
7.2ms-11ms |
|
9 |
static self-consumption current |
≤ 15.0uA |
|
10 |
PCB internal resistance |
≤ 75 mΩ |
Connection Diagram