15KW 30KWH EV Car Battery Pack , High Capacity Lithium Ion Battery With CANBUS BMS

Electrical Characteristics

Nominal Voltage - 144V

Nominal Capacity – 200Ah

Energy - 28.8KWH

Internal Resistance - ≤50mΩ

Cycle Life -> 2000 cycles @1C 100%DOD( see below picture )

Months Self Discharge - <9%

Efficiency of charge - 100% @0.2C

Efficiency of discharge - 96~99% @1C

Standard Charge

Charging voltage - 167 +/- 0.1V

Standard Charger current - 60A

Fast charge current - 1C 200A

Standard Discharge

Continuous Current - 100A

Max. Pulse Current - 150A (<5s)

Environmental

Charge Temperature - 0 ℃ to 45 ℃ (32F to 113F) @60±25% Relative Humidity

Discharge Temperature - -20 ℃ to 60 ℃ (-4F to 140F) @60±25% Relative Humidity

Storage temperature - 0 ℃ to 40 ℃ (32F to 104F) @60±25% Relative Humidity

Mechanical

Body casing – Metal Iron Box

Application

EV Car

About BMS knowledge

Measurement :
Cell and Pack voltage
Cell and Pack temperature
Current measurement by shunt and Hall effect sensor

Management :
Hundreds for battery modules in series/parallel
Cell Protection
Thermal Management
Balancing passive or active
Redistribution (active balancing)
Precharge system
Life-Line for safety feature

Evaluation :
Accurate State of Charge (SOC)
Accurate State of Health (SOH)
Depth of Discharge (DOD)
Internal Resistance
Residual Capacity

External Communication :
Communication by CAN bus, CAN Open, RS485, RS232, Ethernet, WIFI, 4G.
Charger Management using CAN Bus
Cloud-based Data logging using API REST
Cloud-based Remote monitoring