Home->PCM for Li-ion/Li-Polymer Battery Packs -> For 2S Packs (7.4V)

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

Part number: HCX-1391

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: 2.5A;
5.Compatible with both Li-ion and Li-Polymer cells.  

Specifications

Item
Contents
Criteria
1
Model
HCX-1391
 2 S- 2.5A working current
2
Voltage
Charging voltage
8.4V
3
Current
Maximal continuous charging current
2.5A
Maximal continuous discharging current
2.5A
Current consumption
<7uA
4
Overcharge Protection
Over charge detection voltage

4.2V~4.35V(Adjustable)

Over charge detection delay time
700mS~1300mS
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
60~140mS
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
2.5~6A
Detection delay time
<15mS
Release condition
Cut load, automatically recover
7
Short Circuit Protection
Detection condition
Exterior shot circuit
Detection delay time
<50uS
Release condition
Cut load, automatically recover
8
Balance
Balance voltage for single cell
/
Balance current for single cell
/
9
Resistance
Inner resistance
<60mΩ
10
Temperature
Operating temperature range
-40~+85°C
Storage temperature range
-55~+125°C
11
Size (L*W*H)
                 35.4*10.8*0.8mm  

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