OEM/ODM Process Technical Guide
OEM/ODM Electric Vehicle Battery Pack Development Process
Direct Answer
An OEM/ODM EV battery pack project usually follows requirement collection, specification confirmation, electrical and mechanical design, sample build, validation testing, pilot order, mass-production preparation, documentation, and after-sales process setup. Clear voltage, capacity, dimensions, BMS, charging, certification, and annual volume requirements reduce development risk.
Key Takeaways
- OEM/ODM development starts with complete technical and business requirements.
- Sample validation should happen before tooling, pilot order, and mass production.
- Documents and warranty boundary should be confirmed early, not after shipment.
- MOQ and lead time depend on cells, housing, BMS, tooling, labels, packaging, and certification scope.
Development process
| Stage | Main tasks |
|---|---|
| 1. Requirement collection | Vehicle type, voltage, capacity, dimensions, charging rate, BMS, target market, sample quantity, and annual volume |
| 2. Specification confirmation | Electrical limits, mechanical drawing, connector, charger, communication, certification scope, and acceptance criteria |
| 3. Design review | Cell selection, BMS strategy, housing, sealing, thermal management, label, and packaging concept |
| 4. Sample build | Prototype pack, initial inspection, capacity test, insulation test, BMS test, and installation review |
| 5. Validation | Charging, temperature rise, vibration, fitment, communication, fault handling, and field-use feedback |
| 6. Pilot order | Small-batch production to check consistency, packaging, traceability, and service process |
| 7. Mass production | Confirmed BOM, process control, factory test records, delivery documents, and after-sales rules |
What buyers should prepare
Prepare a requirement sheet with vehicle drawings, battery compartment dimensions, controller/charger information, target voltage, capacity, use case, certification needs, and expected annual volume.
Why early document planning matters
For export and channel sales, documents can be as important as hardware. Buyers should confirm specification sheet, labels, user manual, packaging, factory testing, and warranty boundary during development.
FAQ
When should buyers discuss MOQ and lead time?
At the beginning. MOQ and lead time depend on design complexity, housing, cells, BMS, documents, samples, and certification scope.
Sources and Content Review
Sources
- Shanghai Xinhui Green Energy product brochure and technical materials
- XD18169X23T CCC certificate
- National compulsory product certification test report cover
- GB 43854-2024 related certification requirements
- Final project specifications are subject to the mutually confirmed specification
Content Review
- Product team
- Certification document team
- Last updated: 2026-05-24
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