Battery Management System
AssemblyReal-time monitoring and control electronics managing cell voltage, temperature, state of charge, and health diagnostics. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Battery Management System parts and their functions
5 top-level parts · 25 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | BMS Master Controller | 1× | Central BMS processor and memory |
| 2 | Cell Monitor Board | 1× | Cell voltage and balancing circuits |
| 3 | Temperature Thermistor | 20× | Thermistors distributed across modules |
| 4 | Main Battery Contactor | 2× | Main battery disconnect relays |
| 5 | Current Shunt Monitor | 1× | Coulomb-counting current monitor |
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Bill of materials for Battery Management System
5 top-level lines · 5 rows shown · 25 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | BMS Master Controller | commercial-battery-cabinet-bms-master | 1× | 1 | · | part |
| 2 | Cell Monitor Board | commercial-battery-cabinet-cell-monitor | 1× | 1 | · | part |
| 3 | Temperature Thermistor | commercial-battery-cabinet-temperature-sensors | 20× | 20 | · | part |
| 4 | Main Battery Contactor | commercial-battery-cabinet-contactor | 2× | 2 | · | part |
| 5 | Current Shunt Monitor | commercial-battery-cabinet-shunt-resistor | 1× | 1 | · | part |
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Where the battery management system 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 |