BMS Specifications For 4S /12.8V LiFePO4 Battery Pack

                                             Model: OSN-4S100100-480-BMS

No.

                                                      Test   item

                       Criterion

1

Voltage

Charging voltage

DC:14.4V  3.6V/Cell

Balance voltage for single cell

3.60+0.025V

Balance current for single cell

576+20mA

 2

Current

Current consumption for single cell

≤20μA

Maximal continuous Charging current

100A

Maximal continuous Discharging current

100A

3

Over charge Protection

Over charge detection voltage

3.90+0.05V

Over charge detection delay time

0.5—2S

Over charge release voltage

3.80+0.1V

4

Over discharge protection

Over discharge detection voltage

2.00+0.1V

Over discharge detection delay time

10-200mS

Over discharge release voltage

2.30+0.1V

5

Over current protection

Over current detection current

220+30A

Detection delay time

5ms—60mS

Release condition

Cut load, Automatic Recovery

6

Short protection

Detection condition

Exterior short circuit

Detection delay time

200-800us

Release condition

Cut load, Automatic Recovery

7

Resistance

Protection  circuitry (MOSFET)

≤20mΩ

8

Temperature

Operating Temperature Range

-40~+85°C

Storage Temperature Range

-40~+125°C

 9

Size

L222*W65*T25mm

10

Weight

0.37kg