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Battery Protection Circuit Module (PCM) for 7.4V 2cells in series Li-ion/Li-Polymer Battery Packs

Part number: HCX-2689

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.A;
5.Compatible with both Li-ion and Li-Polymer cells.

Specifications

 

Item

Content

Criterion

 
 

1

over charge protection voltage

4.35±0.025V

 

2

over charge recovery voltage

4.15±0.05V

 

3

over charge protection delay time

1300ms-700ms

 

4

over discharge protection voltage

2.30±0.058V

 

5

over discharge recovery voltage

3.0±0.08V

 

6

over discharge protection delay time

167ms-89ms

 

7

over current protection current

8-13A

 

8

short protection delay time

500us-150us

 

9

static self-consumption current

14.0uA

 

10

PCB  internal resistance

65mΩ

 

Connection Diagram

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