Pack BMS Master
AssemblyPack controller handling SOC, contactor control, current sensing and protection. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Pack BMS Master parts and their functions
9 top-level parts · 12 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Bare PCB | 1× | Master board PCB (reuse) |
| 2 | Microcontroller | 1× | Pack management MCU (reuse) |
| 3 | Current Sensor | 1× | Pack current shunt/sensor (reuse) |
| 4 | DC Contactor | 2× | Main + precharge contactors |
| 5 | Relay | 1× | Auxiliary relay (reuse) |
| 6 | Main DC Fuse | 1× | Main DC fuse |
| 7 | CAN Transceiver | 1× | Module + inverter CAN bus (reuse) |
| 8 | SMD Passive (R/C/L) | 1× | Passive components (reuse) |
| 9 | Connector | 3× | Power + comms connectors (reuse) |
3D model
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Build & assembly graph
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Bill of materials for Pack BMS Master
9 top-level lines · 9 rows shown · 12 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 2 | Microcontroller | mcu | 1× | 1 | · | part |
| 3 | Current Sensor | current-sensor | 1× | 1 | · | part |
| 4 | DC Contactor | contactor | 2× | 2 | · | part |
| 5 | Relay | relay | 1× | 1 | · | part |
| 6 | Main DC Fuse | home-battery-storage-pack-fuse | 1× | 1 | · | part |
| 7 | CAN Transceiver | can-transceiver | 1× | 1 | · | part |
| 8 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | · | part |
| 9 | Connector | connector | 3× | 3 | · | part |
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Where the pack BMS master 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 |