EV battery management systemBMS
Battery management system designed for lithium-ion and lead-acid batteries for electric cars and micro-vehicles, monitoring battery voltage, current, internal resistance, temperature, charge (SOC), battery health (SOH), and dynamic management of battery charging and discharging process, do equalization treatment. Provide intelligent and reliable management assistant for drivers.
Range of application：
Lithium battery system or lead-acid battery system for electric cars, minicars, buses.
Monitoring management content:
Voltage, current, internal resistance, temperature, charge (SOC), battery health (SOH), remaining mileage, equalization treatment, heat treatment.
Technical index
|
Parameter
|
Precision
|
Parameter
|
Precision
|
|
Total voltage
|
0.3%
|
Univoltage
|
0.2%±2mv
|
|
Electricity
|
0.5%
|
Temperature
|
0.5°C
|
|
Internal resistance
|
1%
|
SOC估算
|
5%
|
|
Insulation test
|
1Ω/V
|
SOHEstimation
|
10%
|
|
Safety management
|
have
|
give an alarm
|
have
|
|
Voltage sampling period
|
20ms
|
Current sampling period
|
10ms
|
|
Operating temperature
|
-20～85℃
|
Layout
|
Master-slave mode
|
|
Charge and discharge control
|
have
|
Network Load Balancing cluster
|
have
|
|
heat management
|
have
|
Self diagnosis
|
have
|
|
Display (optional)
|
Liquid crystal640320
|
Wireless networking
|
Reserved
|
|
Software Upgrading
|
have
|
Remote management software
|
have
|
|
Communication mode
|
CAN/485/232
|
Mains interruption
|
12V
|