BOMwiki the bill-of-materials encyclopedia
30,441,950 parts mapped · 192,925 items

This page is machine-generated and unverified (what this means). Treat details as provisional. If you know this hardware, weigh in or correct it directly with Edit.

Discussion History

Battery System

Assembly

A traction battery, either a lead-acid block or a lithium pack, powering the drive and lift, with a built-in or external charger. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Battery System parts and their functions

4 top-level parts · 256 parts in total · full bill of materials below
Battery System parts diagram: 1 traction battery, 2 onboard charger, 3 battery connector, 4 battery management. 256 parts in 4 assemblies.
Battery System parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Traction Battery 3 parts Traction battery
2 Onboard Charger 4 parts Onboard charger
3 Battery Connector Battery connector
4 Battery Management 4 parts Battery management

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model — STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Battery System

4 top-level lines · 19 rows shown · 256 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Traction Battery 3 parts ws-battery-pack 1 108 assembly
1.1 Li-ion Cell, 18650 li-cell-18650 96× 96 · part
1.2 Nickel Busbar cell-busbar 8 · part
1.3 Pack Enclosure 4 parts pack-enclosure 1 4 assembly
1.3.1 Aluminum Tray aluminum-tray 1 · part
1.3.2 Pack Lid pack-lid 1 · part
1.3.3 Fastener Set fastener-set 1 · part
1.3.4 Pack Seal pack-seal 1 · part
2 Onboard Charger 4 parts ws-charger 1 84 assembly
2.1 Bare PCB pcb-bare 1 · part
2.2 Power Supply power-supply 1 · part
2.3 Power Inductor power-inductor 2 · part
2.4 SMD Passive (R/C/L) smd-passives 80× 80 · part
3 Battery Connector ws-battery-connector 1 · part
4 Battery Management 4 parts ws-bms 1 63 assembly
4.1 Bare PCB pcb-bare 1 · part
4.2 Microcontroller mcu 1 · part
4.3 Analog Front-End IC afe-ic 1 · part
4.4 SMD Passive (R/C/L) smd-passives 60× 60 · part

Where the battery system is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

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
VendorHQSpecialtyMOQLead time
🇨🇳CATL
catl.com ↗
Ningde, CN Li-ion cell & pack maker 5,000 cells 8–12 wks
🇨🇳EVE Energy
evebattery.com ↗
Huizhou, CN Li-ion cell maker 5,000 cells 8–12 wks
🇮🇳Amara Raja
amararaja.com ↗
Tirupati, IN Batteries & energy 5,000 cells 8–12 wks
🇸🇬Durapower
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