24V BMS/8S for LiFePO4 battery pack with large current

No.

Testing items

Criteria

1

Voltage

Charging votlage

DC:28.8V     3.6V/Cell

Single cell balancing voltage

3.60±0.025V

2

Current

Single cell balancing current

72±10mA

Single cell self-discharge current

≤20μA

Max continuous charing current

30A

Max continuous discharing current

30A~50A

3

Single cell overcharge protection

Overcharge detection voltage

3.90±0.025V

Overcharge detection delay time

0.5S—2S

Overcharge recover voltage

3.80±0.025V

4

Single cell overdischarge protection

Overdischarge detection voltage

2.00±0.05V

Overdischarge detection delay time

10mS—300mS

Overdischarge recover voltage

2.00±0.062V

5

Over-current protection

Over-current detection voltage

0.62V

Over-current detection delay time

5ms—20ms

Recover terms

cutoff load, recover automatically

6

Short circuit protection

Detection terms

Outside short circuit

Detection delay time

200-500us

Recover terms

cutoff load, recover automatically

7

Impedance

Protect circuit (MOSFET)

≤20mΩ

8

Temperature

Working temperature

-40～+85℃

Storage temperature

-40～+125℃