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Battery Passport

The Definitive Battery Passport Platform for EU Regulation 2023/1542

On 18 February 2027 every EV battery, every light-transport (LMT) battery, and every industrial battery above 2 kWh placed on the EU market must carry a digital battery passport. Regulation (EU) 2023/1542 — adopted 17 August 2023 and in force since 18 February 2024 — turns the battery from a black-box energy device into a transparent, machine-readable digital twin that lives for the entire battery lifecycle. EcoPass delivers the production-grade infrastructure that economic operators actually need to meet that deadline without engineering a passport platform from scratch.

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The battery passport is not marketing wrapping paper. It is a binding regulatory instrument defined by Article 77 of Regulation (EU) 2023/1542 and detailed in Annex XIII. Each individual battery — not each model, not each batch, but each physical unit — must be paired with a unique digital record accessible through a QR-code data carrier physically affixed to the battery. That record must remain available, accurate, and updatable across the battery's full lifetime, from cell manufacturing through second-life redeployment to recycling. The European Commission frames the passport as one of three pillars of the new battery economy alongside due diligence and extended producer responsibility, and it is the single most demanding digital-product-passport implementation in the entire ESPR ecosystem because batteries are safety-critical, multi-material, supply-chain-heavy, and lifecycle-mobile. Economic operators — meaning the manufacturer placing the battery on the EU market, or the importer if production happens outside the EU — carry full legal responsibility. There is no plausible deniability, no grandfather clause for batteries placed on the market after the deadline, and no option to publish a static PDF and call it compliant. The passport must be a live, interoperable, machine-readable object aligned with the technical specifications and harmonised standards being finalised under the Battery Pass consortium and CEN-CENELEC working groups.

  • 2023Done

    Regulation 2023/1542 adopted

    Annex XIII enumerates the mandatory data fields with surgical precision, and the EcoPass platform models them as first-class typed entities rather than free-text blobs. The passport must carry: a globally unique battery identifier compliant with ISO/IEC 15459 or an equivalent system; manufacturer identity and place of manufacture; battery model identifier and manufacturing date; battery category and weight; chemistry and detailed material composition including hazardous substances and critical raw materials — cobalt, nickel, lithium, and natural graphite by mass percentage; carbon footprint per kWh of total energy provided over the expected service life, expressed in kg CO2-equivalent; the carbon-footprint performance class as defined by the implementing acts; supply-chain due-diligence information for cobalt, nickel, lithium, and natural graphite, aligned to the OECD Due Diligence Guidance for Responsible Supply Chains of Minerals; recycled-content percentages for cobalt, lead, lithium, and nickel; performance and durability parameters including rated capacity, internal resistance, expected lifetime in cycles and calendar years, state-of-health metrics, and round-trip efficiency; safety information including thermal stability, hazard pictograms, and incident history; and end-of-life information covering separate-collection requirements, dismantling instructions, and approved recyclers. Each field has a defined access tier — public, restricted to repairers and second-life operators, or restricted to competent authorities and notified bodies — and the passport platform must enforce those tiers cryptographically.

  • 2026Upcoming

    Pre-deadline 90-day onboarding sprint

    Operators who begin onboarding by Q3 2026 finish in time. The EcoPass implementation pattern is a 90-day sprint: weeks 1-2 scope the battery portfolio and identify upstream data gaps, weeks 3-6 connect cell-supplier feeds and run the first carbon-footprint computations, weeks 7-10 generate sample passports and verify them against the latest harmonised technical specifications, weeks 11-13 stand up the resolver, mint production identifiers, and pilot-print QR labels on a real production line. From day one the passport is live in all five EU pilot languages — English, German, French, Italian, and Spanish — with the regulatory terminology aligned to the official translations of Regulation (EU) 2023/1542. Book a technical scoping call and the EcoPass solutions team will model your battery portfolio against Annex XIII in the first session and return a fixed-scope implementation plan within ten working days..

  • 18 February 2027Next deadline

    Battery passport mandatory (Art. 77)

    Three battery categories fall under the passport mandate. First, EV batteries — the high-capacity traction batteries of cars, vans, trucks, buses, and other category L, M, N vehicles. Second, LMT batteries — the light means of transport segment, covering e-bikes, e-scooters, e-mopeds, and similar vehicles up to a defined power threshold. Third, industrial batteries with a capacity greater than 2 kWh, which sweeps in stationary BESS installations, grid-scale storage, telecom backup, data-centre UPS, and the entire fleet of electric forklifts, automated guided vehicles, and material-handling machinery.

  • 2027+Upcoming

    Annex XIII data fields + data carrier

    Article 77 mandates a data carrier — in practice a QR code conforming to ISO/IEC 18004 — physically affixed to the battery and remaining legible for the battery's expected lifetime. The QR resolves to a unique URL that returns the public layer of the passport, with restricted layers gated by authentication and role-based access. The technical specification is being aligned with the Battery Pass consortium reference model, GS1 Digital Link for resolver structure, and W3C Verifiable Credentials for cryptographically signed claims. EcoPass implements all three.

  • Ongoing 2027-2032Upcoming

    Carbon-footprint and due-diligence update cycles

    The carbon footprint requirement in Article 7 of Regulation (EU) 2023/1542 is the single most operationally complex part of the passport, and EcoPass treats it as a dedicated subsystem. The declared value is the cradle-to-gate global warming potential of the battery in kg CO2-equivalent per kWh of total energy delivered over service life, computed using the Product Environmental Footprint methodology with battery-specific PEFCRs. Performance classes from August 2026 will rank batteries by carbon intensity, and a maximum threshold from February 2028 will exclude the worst-performing units from the EU market entirely.

Required data

Every Annex XIII field the battery passport demands.

  • Annex XIII enumerates the mandatory data fields with surgical precision, and the EcoPass platform models them as first-class typed entities rather than free-text blobs. The passport must carry
    a globally unique battery identifier compliant with ISO/IEC 15459 or an equivalent system
  • manufacturer identity and place of manufacture
  • battery model identifier and manufacturing date
  • battery category and weight
  • chemistry and detailed material composition including hazardous substances and critical raw materials — cobalt, nickel, lithium, and natural graphite by mass percentage
  • carbon footprint per kWh of total energy provided over the expected service life, expressed in kg CO2-equivalent
  • the carbon-footprint performance class as defined by the implementing acts
  • supply-chain due-diligence information for cobalt, nickel, lithium, and natural graphite, aligned to the OECD Due Diligence Guidance for Responsible Supply Chains of Minerals
  • recycled-content percentages for cobalt, lead, lithium, and nickel
  • performance and durability parameters including rated capacity, internal resistance, expected lifetime in cycles and calendar years, state-of-health metrics, and round-trip efficiency
  • safety information including thermal stability, hazard pictograms, and incident history
  • and end-of-life information covering separate-collection requirements, dismantling instructions, and approved recyclers. Each field has a defined access tier — public, restricted to repairers and second-life operators, or restricted to competent authorities and notified bodies — and the passport platform must enforce those tiers cryptographically. EcoPass treats every Annex XIII field as a versioned, audit-logged data object with provenance metadata, so every value is traceable to the supplier declaration, lab certificate, or measurement run that produced it.

Three battery categories fall under the passport mandate. First, EV batteries — the high-capacity traction batteries of cars, vans, trucks, buses, and other category L, M, N vehicles. Second, LMT batteries — the light means of transport segment, covering e-bikes, e-scooters, e-mopeds, and similar vehicles up to a defined power threshold. Third, industrial batteries with a capacity greater than 2 kWh, which sweeps in stationary BESS installations, grid-scale storage, telecom backup, data-centre UPS, and the entire fleet of electric forklifts, automated guided vehicles, and material-handling machinery. Portable consumer batteries below 2 kWh are excluded from the passport, though they remain inside the broader regulation. The hard enforcement date is 18 February 2027 — exactly thirty-six months after the regulation entered force. From that day, any in-scope battery placed on the EU market without a compliant passport is illegal to sell and exposes the economic operator to market-surveillance action, withdrawal orders, and administrative fines defined at Member State level. Carbon footprint declarations begin earlier — declared values from February 2025, performance-class labelling from August 2026, maximum-threshold compliance from February 2028 — meaning a serious operator is already producing audited carbon data today. Recycled-content minimums layer in from 2031: 16% cobalt, 85% lead, 6% lithium, and 6% nickel by mass per active material. The runway is shorter than it looks because passport data fields depend on supply-chain disclosures that take twelve to eighteen months to negotiate with cell suppliers and cathode producers.

Article 77 mandates a data carrier — in practice a QR code conforming to ISO/IEC 18004 — physically affixed to the battery and remaining legible for the battery's expected lifetime. The QR resolves to a unique URL that returns the public layer of the passport, with restricted layers gated by authentication and role-based access. The technical specification is being aligned with the Battery Pass consortium reference model, GS1 Digital Link for resolver structure, and W3C Verifiable Credentials for cryptographically signed claims. EcoPass implements all three. The platform issues GS1-compliant unique identifiers, generates print-ready QR labels at industrial-scale resolution, hosts the resolver, and signs every passport version with W3C-conformant credentials so a third-party verifier — a customs officer, a notified body, a recycler — can independently confirm authenticity without trusting the EcoPass infrastructure. Interoperability with the upcoming European Digital Product Passport System and national market-surveillance dashboards is built in: passport records expose JSON-LD and Asset Administration Shell representations, the two formats already converging as the de-facto standards in the wider ESPR ecosystem. For OEMs the operational consequence is concrete — a single passport platform speaks the languages that customs, recyclers, banks financing battery assets, and second-life integrators will all expect.

Risks

What non-compliance actually costs.

Risk

Carbon-footprint class misclassification

Consequence

The carbon footprint requirement in Article 7 of Regulation (EU) 2023/1542 is the single most operationally complex part of the passport, and EcoPass treats it as a dedicated subsystem. The declared value is the cradle-to-gate global warming potential of the battery in kg CO2-equivalent per kWh of total energy delivered over service life, computed using the Product Environmental Footprint methodology with battery-specific PEFCRs. Performance classes from August 2026 will rank batteries by carbon intensity, and a maximum threshold from February 2028 will exclude the worst-performing units from the EU market entirely. EcoPass automates the lifecycle assessment workflow — ingesting bill-of-materials data, mapping each material to background life-cycle inventory datasets, applying impact characterisation, and emitting a verifier-ready report. Due diligence on cobalt, nickel, lithium, and natural graphite supply chains is the second pillar, anchored in Article 49 and aligned with the OECD Due Diligence Guidance. EcoPass maintains a supplier-questionnaire engine, smelter and refiner identification through the Responsible Minerals Initiative database, conflict-affected and high-risk area mapping, and an audit trail that survives third-party verification. Both subsystems feed directly into the passport's restricted layer, available to notified bodies and market-surveillance authorities under the access controls defined in the implementing acts.

Mitigation

Primary-data collection per supplier, PEFCR-compliant calculation engine, external verification and versioned audit trail inside the passport.

Risk

Misattribution of the economic operator

Consequence

Carbon footprint declarations begin earlier — declared values from February 2025, performance-class labelling from August 2026, maximum-threshold compliance from February 2028 — meaning a serious operator is already producing audited carbon data today. Recycled-content minimums layer in from 2031: 16% cobalt, 85% lead, 6% lithium, and 6% nickel by mass per active material. The runway is shorter than it looks because passport data fields depend on supply-chain disclosures that take twelve to eighteen months to negotiate with cell suppliers and cathode producers.

Mitigation

Clear contractual definition of the placing-on-market operator, passport-issuer identity cryptographically bound, OEM authority API.

Risk

Platform lock-in / missing Annex XIII modelling

Consequence

Generic DPP platforms treat batteries as one product category among many. EcoPass treats batteries as the most demanding category and engineers the entire stack around their requirements. The passport schema implements every Annex XIII field with strong typing and validation rules drawn from the latest CEN-CENELEC drafts. The data ingestion layer accepts supplier declarations through signed REST APIs, EDI feeds, and a curated SaaS connector library covering the largest cell manufacturers worldwide. The carbon footprint module is pre-loaded with the Battery PEFCR and ships with audited background datasets. The due-diligence module integrates RMI smelter lists, the OECD framework, and conflict-zone overlays. The data carrier module produces GS1 Digital Link QR codes, drives industrial label printing, and operates a globally distributed resolver. The verifiable-credentials module signs every passport version with keys held in EU-resident HSMs. The lifecycle module tracks state-of-health updates over a fifteen-year horizon, flags second-life eligibility, and routes end-of-life events to qualified recyclers. The compliance module produces declaration-of-conformity packages, notified-body submission bundles, and market-surveillance responses on demand. Every component runs on EU-resident infrastructure with data residency contracts, GDPR Article 28 processor agreements, and SOC 2 Type II controls. For an economic operator twelve months from the deadline, the build-versus-buy calculation is no longer interesting — the only question is whether the platform you adopt will still be compliant after the next round of implementing acts. EcoPass updates within forty-five days of any regulatory amendment, contractually.

Mitigation

Platform that models Annex XIII as first-class typed entities, exportable data model, contractual portability, and key escrow.

Onboarding sprint

The 90-day battery passport sprint.

  • Operators who begin onboarding by Q3 2026 finish in time. The EcoPass implementation pattern is a 90-day sprint:
  • scope the battery portfolio and identify upstream data gaps,
  • connect cell-supplier feeds and run the first carbon-footprint computations,
  • generate sample passports and verify them against the latest harmonised technical specifications,
  • stand up the resolver, mint production identifiers, and pilot-print QR labels on a real production line. From day one the passport is live in all five EU pilot languages — English, German, French, Italian, and Spanish — with the regulatory terminology aligned to the official translations of Regulation (EU) 2023/1542. Book a technical scoping call and the EcoPass solutions team will model your battery portfolio against Annex XIII in the first session and return a fixed-scope implementation plan within ten working days.
Case studies

How battery makers are getting ahead.

Industry

European EV manufacturer

Challenge

First archetype — the European EV manufacturer. A premium OEM placing 200,000 traction batteries on the EU market in 2027 cannot ship a single vehicle without a compliant passport per battery. The challenge is not the passport schema; it is the upstream data plumbing. Cell suppliers in Korea and China must produce verifiable carbon footprint and due-diligence data per cell batch. EcoPass connects to supplier portals via signed APIs, ingests batch-level evidence, computes battery-pack-level rollups using the regulation's allocation rules, and emits a passport per VIN.

Solution

EcoPass Annex XIII data model with ERP/PLM connectors, per-unit QR data carrier, supplier API for lifecycle updates.

Result

Compliant passport per battery from launch; no market-access delay; audit-ready carbon-footprint trail.

Industry

LMT platform operator

Challenge

Second archetype — the stationary BESS integrator. A grid-scale storage developer assembling 50 MWh systems from third-party modules sits in an ambiguous regulatory position, because module-level passports must aggregate to system-level reporting. EcoPass models this as a parent-child passport hierarchy with provenance preserved across the boundary, so the integrator can deliver one passport per containerised system while retaining cell-level traceability for warranty, insurance, and second-life pricing.

Solution

EcoPass Annex XIII data model with ERP/PLM connectors, per-unit QR data carrier, supplier API for lifecycle updates.

Result

Compliant passport per battery from launch; no market-access delay; audit-ready carbon-footprint trail.

Industry

Industrial BESS integrator

Challenge

Third archetype — the industrial forklift fleet operator. A logistics operator running 2,000 lithium forklift trucks across DE, FR, IT, and ES depots faces the passport mandate from the buyer side. They need a fleet-wide passport dashboard that ingests OEM-issued passports, monitors state-of-health continuously, flags batteries approaching end-of-first-life, and routes them into qualified second-life or recycling channels. EcoPass delivers each archetype on the same core platform with role-tailored interfaces, because the underlying data model is identical even when the workflows diverge.

Solution

EcoPass Annex XIII data model with ERP/PLM connectors, per-unit QR data carrier, supplier API for lifecycle updates.

Result

Compliant passport per battery from launch; no market-access delay; audit-ready carbon-footprint trail.

Battery Passport FAQ

Frequently asked,
about the battery passport.

Recurring questions from EV OEMs, cell makers, LMT platforms and BESS integrators preparing for the February 2027 mandate under Regulation (EU) 2023/1542.

Book a compliance briefing →
Does the passport apply to batteries already in service before 18 February 2027?+

No. The mandate applies to batteries placed on the EU market on or after that date. Existing fleets are not retroactively required to carry passports, though many operators issue retrofitted records voluntarily for second-life value preservation.

Who is the economic operator when a Korean cell maker, a German pack assembler, and a French OEM all touch the battery?+

The economic operator is the entity that places the battery on the EU market under its own brand or trademark. In integrated automotive value chains that is the OEM. The OEM may contractually flow obligations upstream, but the regulatory liability sits with the OEM.

What happens if a supplier refuses to disclose carbon-footprint or due-diligence data?+

The OEM must either substitute the supplier, default to conservative regulatory values that disadvantage the carbon-footprint class, or hold the model out of the EU market. Most large suppliers are now publishing the data because losing access to the EU is the larger cost.

How does the passport interact with type approval for vehicles?+

Type approval and the battery passport are independent regulatory tracks. The vehicle homologation file does not absorb the passport. Both must be in place.

Does the passport require continuous updates over the battery lifetime?+

Yes. State-of-health, capacity-fade, and ownership-transfer events are mandatory updates. The passport platform must therefore offer authenticated APIs for service partners to push lifecycle events.

Are second-life and refurbished batteries treated as new placements on the market?+

When a battery is repurposed and recommercialised — for example, a former EV pack converted into a stationary BESS unit — the entity placing the second-life battery on the market becomes a new economic operator and must issue a new passport that references the original.

Battery-passport ready by 18 February 2027.

Operators who begin onboarding by Q3 2026 finish in time. The EcoPass implementation pattern is a 90-day sprint: weeks 1-2 scope the battery portfolio and identify upstream data gaps, weeks 3-6 connect cell-supplier feeds and run the first carbon-footprint computations, weeks 7-10 generate sample passports and verify them against the latest harmonised technical specifications, weeks 11-13 stand up the resolver, mint production identifiers, and pilot-print QR labels on a real production line. From day one the passport is live in all five EU pilot languages — English, German, French, Italian, and Spanish — with the regulatory terminology aligned to the official translations of Regulation (EU) 2023/1542. Book a technical scoping call and the EcoPass solutions team will model your battery portfolio against Annex XIII in the first session and return a fixed-scope implementation plan within ten working days.

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