BMS Specifications For 7S 25.9V Li-ion Battery Packs 

Model:OSN-Li7S3010-486

No.

Test   item

Criterion

1

Voltage

Charging voltage

DC:29.4 V  CC/CV

Balance voltage for single cell

4.20+0.025V

2

Current

Balance current for single cell

84+10mA

Current consumption for single cell

≤20μA

Maximal continuous Charging current

10A

Maximal continuous Discharging current

30A

3

Over charge Protection

Over charge detection voltage

4.25+0.025V

Over charge detection delay time

0.5—2S

Over charge release voltage

4.05+0.05V

4

Over discharge protection

Over discharge detection voltage

2.50+0.062V

Over discharge detection delay time

10-300mS

Over discharge release voltage

2.50+0.062V

5

Over current protection

Over current detection current

100+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)

≤30mΩ

8

Temperature

Operating Temperature Range

-40~+85°C

Storage Temperature Range

-40~+125°C

  9

 Size

L110*W50*T15mm