Model: OSN-8S4020-563-BMS

No.

Test   item

Criterion

1

Voltage

Charging voltage

DC:28.8V  3.6V/Cell

Balance voltage for single cell

3.60+0.025V

2

Current

Balance current for single cell

72+10mA

Current consumption for single cell

≤20μA

Maximal continuous Charging current

20A

Maximal continuous Discharging current

40A

3

Over charge Protection

Over charge detection voltage

3.90+0.025V

Over charge detection delay time

0.5S—2S

Over charge release voltage

3.80+0.05V

4

Over discharge protection

Over discharge detection voltage

2.00+0.062V

Over discharge detection delay time

10mS-300mS

Over discharge release voltage

2.00+0.062V

5

Over current protection

Over current detection voltage

0.62v

Over current detection current

200+20A

Detection delay time

5ms—20mS

Release condition

Cut load, Automatic Recovery

6

Short protection

Detection condition

Exterior short circuit

Detection delay time

200-500us

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

L120*W80*T25mm