Datasheet: revA_4821
Page
5
of
7
4. Electrical parameters
The batteries are supplied with a LiFePO4 Battery Management System (BMS) that can monitor and
optimized each single prismatic cell during charge & discharge, to protect the battery pack from
overcharge, over discharge, short circuit. Overall, the BMS helps to ensure safe and accurate running.
No
Item
Content
Criterion
4.1
Over charge
Over-charge protection Alarm
57.6V
Over-charge protection
58.4V
Over-charge protection delay time
1.0S
Over-charge release
56.0V
Over-charge release method
Discharge
4.2
Over
discharge
Over-discharge protection alarm
43.2V
Over-discharge protection
40.0V
Over-discharge protection delay time
1.0S
Over-discharge release
46.4V
Over-discharge release method
Charge recovering
4.3
Over current
Charge over current protection alarm
110A
Charge over current protection
120A
Charge over current protection delay time
1.0S
Charge over current release method
about 60s later
Charge limitation current
N/A
Discharge over current protection alarm
110A
Discharge over current protection1
120A
Discharge over current protection delay time1
15.0S
Discharge over current release
1
Recover in 60s after charging or
removing the load
Discharge over current protection²
≥150A
4.3
Over current
Discharge over current protection delay time²
500ms
Discharge over current release²
Recover in 60s after charging or
removing the load
Short circuit protection
Available
Short circuit protection release
Available
4.4
Temperature
Charge over temperature protection
Protect@60
℃
; Release@50
℃
;
Charge under temperature protection
Protect@-5
℃
; Release@5
℃
Discharge over temperature protection
Protect@65
℃
; Release@55
℃
;
Discharge under temperature protection
Protect@-20
℃
; Release@-10
℃
;
