Summary
Regulation (EU) 2023/1542 requires a battery passport from 18 February 2027 (Article 77), and a QR code on batteries from the same date (Article 13(6)). What the passport has to contain is set in Annex XIII.
This page is an explanation, not legal advice. The regulation text is the authority.
Scope
The passport applies to electric vehicle batteries, light means of transport batteries and industrial batteries above 2 kWh. If you make or import batteries in these categories for the EU market, the economic operator duties apply to you.
Key dates
Law rows are fixed in legislation. Indicative rows can move. Checked on 31 October 2026.
| Date | Event | Status |
|---|---|---|
| 18 Feb 2027 | Battery passport mandatory (Article 77) for electric vehicle batteries, light means of transport batteries and industrial batteries above 2 kWh. QR code on batteries from the same date (Article 13(6)). | Law |
| 18 Aug 2026 | Date set in the regulation for the implementing act on access rights to passport data. Not adopted by this date. | Law |
| Q4 2026 | Commission timetable for the implementing act on access rights. | Indicative |
| 18 Aug 2027 | Supply chain due diligence obligations apply, after postponement by Regulation (EU) 2025/1561. | Law |
Data categories
Annex XIII groups the passport data into these categories:
- Identification
- Composition
- Performance
- Carbon footprint
- Supply chain
- End of life
Annex XIII is the authority for the exact items in each category.
Access levels
Readers get different levels of access: the public, those with a legitimate interest, and authorities. The implementing act that defines access rights was due on 18 August 2026 and had not been adopted by that date. The Commission timetable says Q4 2026, which is indicative.
Due diligence is a separate date
Supply chain due diligence obligations apply from 18 August 2027, after postponement by Regulation (EU) 2025/1561. They do not move with the passport date of 18 February 2027.
What to do now
- Check your scopeConfirm which of your batteries are electric vehicle, light means of transport or industrial batteries above 2 kWh.
- Map the data to suppliersFor each Annex XIII category, note who holds the data: you, a cell maker, a materials supplier.
- Plan the evidenceSome data, such as the carbon footprint, needs studies or declarations that take time to produce. Start early.
- Prepare the QR code and identifiersDecide how each battery will be identified and where its passport will live.
- Track access rightsThe implementing act on who may see what is still pending. Keep your access design adjustable.
- Handle due diligence separatelyIt has its own date, 18 August 2027, and its own obligations.
How AuditSci DPP supports it
AuditSci DPP collects data and documents from your cell, material and sourcing suppliers, checks them against the passport requirements, and publishes the passport behind a QR code. AI drafts values from supplier documents and watches expiry dates. A person approves every value, and every approval is recorded.
AuditSci does not certify batteries or passports. Responsibility for conformity stays with the economic operator.
Frequently asked questions
When does the battery passport become mandatory?
From 18 February 2027, under Article 77 of Regulation (EU) 2023/1542, for electric vehicle batteries, light means of transport batteries and industrial batteries above 2 kWh.
Is a QR code required on every battery?
Article 13(6) requires a QR code on batteries from the same date, 18 February 2027. The QR code links to the passport where one is required.
What data must the passport contain?
Annex XIII of the regulation sets it. It covers identification, composition, performance, carbon footprint, supply chain and end of life. Read Annex XIII itself for the exact items, because it is the authority.
Who can see the data?
Access has levels: public, legitimate interest and authorities. The implementing act on access rights was due on 18 August 2026 and had not been adopted by then. The Commission timetable points to Q4 2026, which is indicative.
Does due diligence share the 2027 passport date?
No. Due diligence obligations apply from 18 August 2027, after postponement by Regulation (EU) 2025/1561.
Does AuditSci DPP certify my batteries or my passport?
No. AuditSci DPP is software, not a certification body. It helps you collect, check and publish the data. Conformity stays with the economic operator.