Traction Battery
AssemblyLiquid-cooled lithium-ion pack, typically 10-20 kWh for electric range. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Traction Battery parts and their functions
5 top-level parts · 574 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Battery Module 4 parts | 4× | Cell modules |
| 2 | Battery Management Unit 5 parts | 1× | Battery management |
| 3 | HV Contactor | 2× | Main contactors |
| 4 | Pack Enclosure 3 parts | 1× | Sealed enclosure |
| 5 | Pack Cooling Plate 3 parts | 1× | Coolant plate |
3D model
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Build & assembly graph
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Bill of materials for Traction Battery
5 top-level lines · 24 rows shown · 574 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Battery Module 4 parts | plug-in-hybrid-car-battery-module | 4× | 4 | 100 | assembly |
| 1.1 | Pouch Cell | plug-in-hybrid-car-cell | 32× | 128 | · | part |
| 1.2 | Nickel Busbar | cell-busbar | 4× | 16 | · | part |
| 1.3 | Module BMS Slave Board 4 parts | module-bms-slave | 1× | 4 | 63 | assembly |
| 1.3.1 | Bare PCB | pcb-bare | 1× | 4 | · | part |
| 1.3.2 | Microcontroller | mcu | 1× | 4 | · | part |
| 1.3.3 | Analog Front-End IC | afe-ic | 1× | 4 | · | part |
| 1.3.4 | SMD Passive (R/C/L) | smd-passives | 60× | 240 | · | part |
| 1.4 | Module Housing | module-housing | 1× | 4 | · | part |
| 2 | Battery Management Unit 5 parts | plug-in-hybrid-car-bms | 1× | 1 | 164 | assembly |
| 2.1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 2.2 | Microcontroller | mcu | 1× | 1 | · | part |
| 2.3 | Current Sensor | current-sensor | 1× | 1 | · | part |
| 2.4 | CAN Transceiver | can-transceiver | 1× | 1 | · | part |
| 2.5 | SMD Passive (R/C/L) | smd-passives | 160× | 160 | · | part |
| 3 | HV Contactor | plug-in-hybrid-car-contactor | 2× | 2 | · | part |
| 4 | Pack Enclosure 3 parts | plug-in-hybrid-car-pack-enclosure | 1× | 1 | 4 | assembly |
| 4.1 | Sheet Metal Panel | sheet-panel | 2× | 2 | · | part |
| 4.2 | Pack Seal | pack-seal | 1× | 1 | · | part |
| 4.3 | Fastener Set | fastener-set | 1× | 1 | · | part |
| 5 | Pack Cooling Plate 3 parts | plug-in-hybrid-car-pack-cooling | 1× | 1 | 4 | assembly |
| 5.1 | Aluminum Extrusion | aluminum-extrusion | 1× | 1 | · | part |
| 5.2 | Coolant Fitting | coolant-fitting | 2× | 2 | · | part |
| 5.3 | O-Ring Set | oring-set | 1× | 1 | · | part |
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Where the traction battery is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $1–$500. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳CATL
catl.com ↗
|
Ningde, CN | Li-ion cell & pack maker | 5,000 cells | 8–12 wks |
| evebattery.com ↗ | Huizhou, CN | Li-ion cell maker | 5,000 cells | 8–12 wks |
| amararaja.com ↗ | Tirupati, IN | Batteries & energy | 5,000 cells | 8–12 wks |
| durapowergroup.com ↗ | Singapore | Li-ion battery systems | 5,000 cells | 8–12 wks |
|
🇨🇳BYD
byd.com ↗
|
Shenzhen, CN | EV & battery manufacturer | 5,000 cells | 8–12 wks |