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Discussion History

Battery Pack

Assembly

Lithium pack with management board in a sealed case. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Battery Pack parts and their functions

5 top-level parts · 109 parts in total · full bill of materials below
Battery Pack parts diagram: 1 18650 li-ion cell, 2 battery management system, 3 pack case, 4 charge port, 5 wire bundle. 109 parts in 5 top-level items.
Battery Pack parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 18650 Li-ion Cell 20×
2 Battery Management System 4 parts 1× Protection and balancing board.
3 Pack Case 1×
4 Charge Port 1×
5 Wire Bundle 1× Group of insulated conductors cut to length, terminated, and bound together to carry power and signals between the assemblies of a machine.

3D model

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Build & assembly graph

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

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Bill of materials for Battery Pack

5 top-level lines · 9 rows shown · 109 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 18650 Li-ion Cell self-balancing-scooter-cell 20× 20 · part
2 Battery Management System 4 parts self-balancing-scooter-bms 1× 1 86 assembly
2.1 Bare PCB pcb-bare 1× 1 · part
2.2 Microcontroller mcu 1× 1 · part
2.3 Power MOSFET mosfet 4× 4 · part
2.4 SMD Passive (R/C/L) smd-passives 80× 80 · part
3 Pack Case self-balancing-scooter-pack-case 1× 1 · part
4 Charge Port self-balancing-scooter-charge-port 1× 1 · part
5 Wire Bundle wire-bundle 1× 1 · part

Where the battery pack is used

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

Used 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
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