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Discussion History

Battery Module

Assembly

Series-parallel module of cylindrical cells. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Battery Module parts and their functions

4 top-level parts · 171 parts in total · full bill of materials below
Battery Module parts diagram: 1 li-ion cell, 21700, 2 cell busbar, 3 module BMS slave, 4 module case. 171 parts in 4 assemblies.
Battery Module parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Li-ion Cell, 21700 120× Cylindrical NMC cell, ~5 Ah.
2 Cell Busbar
3 Module BMS Slave 3 parts
4 Module Case

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
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Bill of materials for Battery Module

4 top-level lines · 7 rows shown · 171 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Li-ion Cell, 21700 li-cell-21700 120× 120 · part
2 Cell Busbar articulated-forklift-cell-busbar 8 · part
3 Module BMS Slave 3 parts articulated-forklift-module-bms 1 42 assembly
3.1 Bare PCB pcb-bare 1 · part
3.2 Microcontroller mcu 1 · part
3.3 SMD Passive (R/C/L) smd-passives 40× 40 · part
4 Module Case articulated-forklift-module-case 1 · part

Where the battery module 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