Home->PCM for LiFePO4 Battery Packs ->For 17S~19S Packs (54.4V~60.8V)-> For 19S Packs (60.8V)

Battery Protection Circuit Module (BMS/PCM) for 19S 60.8V LiFePO4 Battery Packs

Part number: HCX-D835

Features and Benefits

1. Protection Circuit Board for 60.8V 19S LiFePO4 battery pack;

2.PCM applies for 19 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.With 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 

Specifications

 

Item

Contents

Criteria (Adjustable)

1

Model

HCX-D835 / 7790508

19S-70A working current

2

Voltage

Charging voltage

68.4V

3

Current

Maximal continuous charging current

70A

Maximal continuous discharging current

70A

Current consumption

≤50μA

4

Overcharge Protection

Over charge detection voltage

3.6V~3.9V(Adjustable)

Over charge detection delay time

0.8-1.4s

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

1s

Over discharge release voltage

2.0V~2.5V(Adjustable)

6

Over Current Protection

(1st Protection)

Over current detection current / Voltage

 Adjustable

Detection delay time

700mS±70mS

Release condition

Cut load / charge to recover

7

Over Current Protection

(2nd Protection)

Over current detection current

 Adjustable

Detection delay time

350±30ms

Release condition

Cut load / charge to recover

8

Short Circuit Protection

Short circuit detection current

≥560A
(need actual testing by customer)

Detection delay time

360uS

Detection condition

Cut load/charge to recover

9

Balance

Balance voltage for single cell

4.18V±0.02V

Balance current for single cell

42mA±5mA

10

Temperature Protection

10KNTC B=3435

 

Charge Over Temp Protection

50℃±3

Discharge Over Temp Protection

70℃±3

Charge Under Temp Protection

-5

discharge Under Temp Protection

-20

Temp. Protection delay

4.5S

11

Resistance

Inner resistance

≤20mΩ

12

Temperature

Operating temperature range

0 ~ +85°C

Storage temperature range

0 ~ +85°C

13

Size (L*W*T)

L150mm*W65mm*T20mm

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