Home->PCM for LiFePO4 Battery Packs ->For 11S~13S Packs (35.2-41.6V)-> For 12S Packs (38.4V)

Battery Protection Circuit Module (BMS/PCM) for 12S 38.4V LiFePO4 Battery Packs

Part number: HCX-D739

Features and Benefits

1.Protection Circuit Board for 38.4V 12S LiFePO4 battery pack;

2.PCM applies for 12 cells LiFePO4 battery pack with E-Switch integrated, E-Switch can totally turn off the output;

3.To prevent the battery packs from overcharge,overdischarge,over current, over temperature ,short circuit ;

4.Without cell balance/equilibrium function;

5.Compatible with LiFePO4 cells; 

6.How balancing function works? After battery pack is fully charged. PCM will detect each cell's voltage and trim higher voltage down until other cells reach the same voltage level. Therefore, it helps cells have longer service life.

7.PCM comes with all the voltage detection wires and connectors.

Specifications

 

Item

Contents

Criteria (Adjustable)

1

Model

HCX-D739

12S-35A working current

2

Voltage

Charging voltage

43.2V

3

Current

Maximal continuous charging current

20A / 5A

Maximal continuous discharging current

20A / 35A

Current consumption

≤100μA

4

Overcharge Protection

Over charge detection voltage

3.6V~3.9V(Adjustable)

Over charge detection delay time

700mS-1300mS

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

0.7S-1.3S

Over discharge release voltage

2.0V~2.5V(Adjustable)

6

Over Current Protection

(1st Protection)

Over current detection current

Adjustable 

Detection delay time

330mS±100mS

Release condition

Cut load & charge to recover

7

Over Current Protection

(2nd Protection)

Over current detection current

Adjustable 

Detection delay time

33mS±10mS

Release condition

Cut load & charge to recover

8

Short Circuit Protection

Short circuit detection current

Adjustable 
(external resistance 
≤ 0.1Ω)

Detection delay time

<280uS (fixed)

Detection condition

Cut load/charge to recover

9

Balance

Balance voltage for single cell

/

Balance current for single cell

/

10

Temperature Protection

NTC (10KNTC B=3435) on discharge

75°C±5°C

NTC (10KNTC B=3435) oncharge

50°C±5°C

11

Resistance

Inner resistance

≤20mΩ

12

Temperature

Operating temperature range

0 ~ +85°C

Storage temperature range

0 ~ +85°C

13

Size (L*W*T)

L70mm*W53mm*T10mm

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