Battery PCM/BMS/PCB for 4S 14.8V LiFePO4 (LFP) Battery Packs

Features and Benefits
1.Protection Circuit Board for 12.8V 4S LiFePO4 battery pack;
2.PCB applies for 4 cells LiFePO4 battery pack;
3.To prevent the battery packs from overcharge,overdischarge,over current, over temperature ,short circuit ;
4.The Maximal working current: 30A;
5.Compatible with all the LiFePO4  cells.

Specifications

item
Contents
Criteria
1
Model
HCX-D134V1
 4S-30A working current
2
Voltage
Charging voltage
14.4V
3
Current
Maximal continuous charging current
30A
Maximal continuous discharging current
30A
Current consumption
≤20μA
4
Overcharge Protection
Over charge detection voltage
3.6V~3.9V(Adjustable)
Over charge detection delay time
0.5S~2S
Over charge release voltage
3.5V~3.8V(Adjustable)
5
Over Discharge Protection
Over discharge detection voltage
2.0V~2.5V(Adjustable)
Over discharge detection delay time
50~200mS
Over discharge release voltage
2.0V~2.5V(Adjustable)
6
Over Current Protection
Over current detection voltage
0.1V~0.2V(Adjustable)
Over current detection current
Adjustable
Detection delay time
5~20mS
Release condition
Cut load,automatically recover
7
Short Circuit Protection
Detection condition
Exterior shot circuit
Detection delay time
200~500uS
Release condition
Cut load,automatically recover
8
Balance/Equilibrium
Balance voltage for single cell
3.60V±0.025V
Balance current for single cell
82mA±10mA
9
Resistance
Inner resistance
≤20mΩ
10
Temperature
Operating temperature range
-40~+85°C
Storage temperature range
-20~ +125°C
11
Size (L*W*T)
L120mm*W30mm*T5mm