Electric Vehicle Battery System

Specifications

~5min read

Specification

High Voltage Disconnection Procedure

Specification
Item Specification NOTE
Capacitor Voltage Between Inverter Terminals Less than 30 V Checked with multimeter

High Voltage Battery Handling Guidelines

Specification
Item Specification NOTE
Service Plug Cable Resistance (Ω) Less than 1 Ω (20°C) Checked with multimeter
Main Fuse Resistance (Ω) Less than 1 Ω (20°C) Checked with multimeter
Main High Voltage Relay Weld Inspection NO Checked with GDS
Main High Voltage Relay Welding Check Ω (20°C) Checked with multimeter
Insulation Resistance Check (MΩ) 300 ~ 1000 Checked with GDS
Insulation Resistance Check (MΩ) More than 2 MΩ (20°C) Megohmmeter
Check high voltage battery voltage (V)
[No. 1 Module ~ Module No. 4 or Module No. 5 ~ Module No. 8]
120 ~ 207 Checked with multimeter
Check high voltage battery voltage (V)
[No. 1 Module ~ No. 8 Module]
240 ~ 413 Checked with multimeter

High-Voltage Battery System

Item Specification NOTE
Cell 96 -
Rated Voltage (V) 360 -
Capacity (Ah) 75 -
Energy (kWh) 27 -
Weight (kg) 203 -
Cooling System Air Cooled Forced Air Cooling

Item Specification NOTE
SOC (%) 5 ~ 95 Checked with GDS
Cell Voltage (V) 2,5 ~ 4,3
Pack Voltage (V) 240 ~ 413
Cell Voltage Deviation (mV) Less than 40
Insulation Resistance (kΩ) 300 ~ 1000
Insulation Resistance (MΩ) More than 2 Megohmmeter

High Voltage Battery Management System

BMS ECU Specification
Item Specification NOTE
C-CAN Load Resistance (Ω) Approx. 60 Combined Resistance (BMS ECU - Inverter)
C-CAN Terminating Resistance (Ω) Approx. 120 BMS ECU Resistance

Main Relay Specification
Item Specification
ON Rated Voltage (V) 450
Rated Current (A) 200
Voltage Drop (V) Less than 0.1 (200 A)
Coil Operating Voltage (V) 12
Resistance (Ω) 21.6 ~ 26.4 (20°C)

Item Specification NOTE
Main Relay Welding Status NO Checked with GDS
Main Relay (-) Switch Resistance (Ω) ? Checked with multimeter
Main Relay Operating Sound “Click” Checked with GDS and SST
Coil resistance (Ω) 21.6 ~ 26.4 (20°C) Checked with multimeter

Pre-Charge Relay Specification
Item Specification
ON Rated Voltage (V) 450
Rated Current (A) 10
Voltage Drop (V) Less than 0.5 (10 A)
Coil Operating Voltage (V) 12
Resistance (Ω) 104.4 ~ 127.6 (20°C)

Item Specification NOTE
Main Relay (-) Switch Resistance (Ω) ? Checked with multimeter
Pre-Charge Relay Operating Sound “Click” Checked with GDS and SST
Pre-Charge Relay Coil Resistance (Ω) 104.4 ~ 127.6 (20°C) Checked with multimeter

Pre-Charge Resistor Specification
Item Specification
Coil Power (W) 60
Resistance (Ω) 30

Battery Current Sensor Specification
Current (A) Output voltage (V)
-400 (Charging) 0,5
-200 (Charging) 1,5
0 2,5
200 (Discharging) 3,5
+400 (Discharging) 4,5

Item Specifications NOTE
Current sensor output voltage (V) Approx. 2.5 ± 0.1 Checked with multimeter
Current sensor supply voltage (V) Approx. 5 ± 0.1 Checked with multimeter

Main Fuse Specification
Item Specification
Rated Voltage (V) 450 (DC)
Rated Current (A) 250 (DC)

Item Specification NOTE
Service Plug Cable Resistance (Ω) Less than 1 (20 °C) Checked with multimeter
Main Fuse Resistance (Ω) Less than 1 (20 °C) Checked with multimeter

Battery Temperature Sensor Specification
Temperature (°C) Resistance (kΩ) Tolerance (%)
-40 204,5 ±4,0
-30 117,8 ±3,5
- 20 70,34 ±3,0
- 10 43,43 ±2,5
0 27,63 ±2,0
10 18.07 ±1,6
20 12.11 ±1,2
30 8.303 ±1,2
40 5.813 ±1,5
50 4.149 ±1,9
60 3.013 ±2,2
70 2,225 ±2,5

Rapid Discharge Device (RAD) Specification
Item Specification NOTE
Combined resistance RAD (?) Less than 3 (20 °C) Checked with multimeter
Terminal resistance RAD (?) Less than 0.375 (20 °C) Checked with multimeter
RAD switch position Lower RAD switch and visual inspection

High Voltage Battery Heater Specification [14 Cells, Left/Right]
Item Specification
Resistance (Ω) 26 ~ 29

[10 Cells Left/Right]
Item Specification
Resistance (Ω) 16 ~ 18

High Voltage Battery Heater Relay Specification
Item Specification
ON Rated Voltage (V) 450
Rated Current (A) 10
Voltage Drop (V) Less than 0.5 (200 A)
Coil Operating Voltage (V) 12
Resistance (Ω) 104.4 ~ 127.6 (20°C)

Item Specification NOTE
Heater relay switch resistance (?) ? Checked with multimeter
Heater relay operating sound "Click" Checked with GDS and SST
Heater relay coil resistance (?) 104.4 ~ 127.6 (20°C) Checked with multimeter

High Voltage Battery Heater Fuse Specification
Item Specification
Current (A) 10

High Voltage Battery Heater Temperature Sensor Specification
Temperature (°C) Resistance (kΩ) Tolerance (%)
-40 204,5 ±4,0
-30 117,8 ±3,5
- 20 70,34 ±3,0
- 10 43,43 ±2,5
0 27,63 ±2,0
10 18.07 ±1,6
20 12.11 ±1,2
30 8.303 ±1,2
40 5.813

High Voltage Battery Handling Precautions

High Voltage Battery System Inspection Guide. Be sure to read and follow the “General Safety Information and Caution” before performing any work on the ...

Components and Component Locations

Component Location 1. High Voltage Battery System Assembly 2. Electronic Power Control Unit (EPCU) [LDC+Inverter+VCU] 3. On-Board Charger (OBC) 4. High Voltage Junction Box 5. High Voltage Cable 6. Mot ...

Additional information:

Kia Soul EV (PS EV) 2015-2020 Service Manual: Schematic Diagrams


Circuit Diagram High Voltage Circuit Diagram ...

Kia Soul EV (PS EV) 2015-2020 Service Manual: High Voltage Disconnection Procedures


High Voltage Disconnection Procedure Be sure to read and follow the “General Safety Information and Caution” before performing any work on the high voltage system. Failure to follow instructions may result in serious electrical injury. ...

Test yourself

A quick Kia Soul EV Owner's Manual quiz: every answer comes with an explanation and a link to the manual page.