TOPIC GUIDE / Work with your suppliers
Supply chain & supplier data
Create clear data requests and keep evidence, ownership, and change history connected.
Updated September 14, 2026 · Independent introductory guidance
Make information requests specific
A broad request for “passport data” is difficult for a supplier to answer. Use a field register with definitions, units, source expectations, and a named contact for questions.
Useful starting points
- Agree on field definitions and evidence references.
- Track incomplete or inconsistent responses.
- Document how a supplier will communicate changes.
BUILD ON THE BASICS
Recommended foundational reading
requirements
Battery passport data requirements
Organize the information, evidence, and ownership behind a useful digital record.
software
How to evaluate battery passport software
Compare information workflows and long-term operation before comparing dashboards.
battery passport
What is a battery passport?
A plain-English introduction to digital battery records, connected information, and lifecycle access.
FROM READING TO PLANNING