4S Protection Circuit Module For 4S Li-ion/Li-polymer/LiFePO4 Battery Pack

Protection Circuit Module For 4S LiFePO4 Battery Pack

Model: PCM-L04S20-490(4S)

No.

Test item

Criterion

1

Voltage

Charging voltage

DC:14.4V   3.6V/Cell

Balance voltage for single cell

2

Current

Balance current for single cell

Current consumption for single cell

≤20μA

Maximal continuous charging and discharging current

20A

3

Over-charge Protection

Over charge detection voltage

3.8~4.4V(can adjust)

Over charge detection delay time

0.96S—1.4S

Over charge release voltage

3.80±0.05V

4

Over-discharge Protection

Over discharge detection voltage

2.00±0.05V

Over discharge detection delay time

115mS—173mS

Over discharge release voltage

2.3±0.05V

5

Over-Current Protection

Over current detection voltage

0.1±0.015V

Over current detection current

100±10A

Detection delay time

7.2~11ms

Release condition

Auto Release

6

Short Protection

Detection condition

Exterior short circuit

Detection delay time

200-500us

Release condition

Auto Release

7

Resistance

Protection circuitry(B- to P-)

≤20mΩ

8

Temperature

Operating temperature range

-40~+85°C

Storage temperature range

-40~+125°C

9

Size

L61*W61*T5mm