In recent years, the lithium battery sector has undergone an unprecedented transformation. The growth of electric mobility, storage systems, and industrial applications has made it necessary to introduce tools capable of ensuring greater transparency along the entire supply chain.
It is precisely from this need that the Battery Passport is born, the digital battery passport provided for by the European Battery Regulation.
It is not simply a new regulatory compliance. The Battery Passport represents a new way of managing a battery’s information, making it accessible, updated, and verifiable throughout its life cycle.
For manufacturers, integrators, and final users, it means being able to rely on reliable data that accompanies the product from production to raw material recovery.
What is the Battery Passport
The Battery Passport is a unique digital identity associated with each battery.
Through a digital identifier (normally accessible via QR Code or other digital systems), it will be possible to consult a series of technical, environmental, and documentary information regarding the battery.
The goal of the European Commission is to create a common system that makes batteries:
- completely traceable;
- more transparent;
- easier to manage throughout their life cycle;
- more sustainable from an environmental point of view.
In other words, every battery will have its own “digital identity card,” updated over time.
What information will the Battery Passport contain?
The information will be numerous and will vary based on the type of battery and its life cycle phase.
The main anticipated data includes:
- manufacturer identification;
- battery technical characteristics;
- material composition;
- performance data;
- safety information;
- conformity documentation;
- sustainability data;
- life cycle information and subsequent updates.
Not all data will be mandatory immediately: the European Commission has already clarified that some requirements, such as those related to carbon footprint or due diligence, will enter into force progressively.
Furthermore, the Regulation also provides for some possible exemptions. In specific cases, information related to the carbon footprint, performance, or durability of the battery may not be required in the Battery Passport, provided that the exemption is expressly provided for by the applicable legislation.
Why is the Battery Passport so important?
The Battery Passport is often thought to be just a new regulatory obligation.
In reality, it represents a tool destined to improve the entire management of batteries.
The advantages involve all actors in the supply chain.
For manufacturers
It allows for the structured organization of all technical documentation and easily demonstrates product conformity.
For integrators
It enables quick access to necessary information during installation, maintenance, and assistance.
For users
It guarantees greater transparency on the battery’s characteristics and its status during the life cycle.
For recycling
It facilitates material identification and makes raw material recovery more efficient.
The role of data
One of the most innovative aspects of the Battery Passport concerns data management.
The European Commission has clearly stated that the main challenge will not only be creating the digital passport but also ensuring:
- data quality;
- availability of information;
- integration between different company systems;
- continuous updating of information during the battery’s life cycle.
The Battery Passport will indeed be a dynamic document. In addition to the data entered at the time of placing on the market, it can be updated with new information throughout the battery’s life cycle, including those related to maintenance, state of health, and any significant events. The primary responsibility for the accuracy of the information will fall on the economic operator who places the battery on the market, although they may entrust certain operational activities to third parties.
The value of the Battery Passport will therefore depend on the ability of companies to build a digital ecosystem capable of collecting and maintaining all this information updated.
Battery Passport and systems composed of multiple battery packs
One of the topics addressed during the webinar concerns industrial applications consisting of multiple battery packs, such as Energy Storage Systems, UPS, or other modular solutions.
The application of the Battery Passport will depend on the product configuration.
If the individual battery packs are autonomous and independently functioning batteries, each can be considered a separate battery for the purposes of the Regulation. If, on the other hand, the system integrates common components, such as a shared Battery Management System (BMS), the entire assembly could be qualified as a single battery and therefore require only one Battery Passport.
This is a particularly relevant aspect for the industrial sector, where case-by-case evaluations will be necessary to determine the correct product classification.
When will it enter into force?
The first operational deadlines are set for February 2027, when certain categories of batteries, including industrial batteries and some light transport batteries, will have to be accompanied by the digital Battery Passport.
To support companies in the transition, the European Commission is developing a dedicated ecosystem that will include:
- the European Battery Passport registry;
- a test environment for developers and operators;
- guidelines on passport requirements;
- clarifications on the data model;
- technical guidelines for the implementation of the Digital Product Passport;
- a dedicated helpdesk for onboarding, testing, and use of the registry;
- webinars and supporting technical documentation.
It is important to emphasize that the European registry will primarily have the task of verifying the correctness of the digital passport’s structure, while the verification of content conformity will remain the responsibility of market surveillance authorities.
How can companies prepare?
For many businesses, the work has already begun.
According to the data presented by the European Commission, the activities considered priority today are:
- data collection and mapping;
- supplier involvement;
- development of information systems;
- data integration throughout the supply chain.
The real challenge will not be compiling a document, but building a digital infrastructure capable of accompanying every battery throughout its operational life.
Preparing today also means understanding how to correctly classify one’s products for the purposes of the Regulation, defining responsibilities between the different operators in the supply chain, and organizing the necessary information flows to feed a Battery Passport that is updated, complete, and compliant with future European requirements.
The future of batteries will be increasingly digital
The Battery Passport represents one of the most important changes introduced by the new European Battery Regulation.
It is not just a conformity tool, but an element destined to improve transparency, traceability, sustainability, and information management along the entire supply chain.
For manufacturing companies and operators in the sector, it means starting today to organize data, processes, and digital systems to arrive prepared for the upcoming regulatory deadlines.
At Archimede Energia, we constantly monitor the evolution of the European regulatory framework because we are convinced that innovation means not only designing high-performance lithium batteries but also developing solutions ready to face the new needs for traceability, integration, and sustainability that will characterize the market in the coming years.
FAQ on the Battery Passport
What is the Battery Passport?
It is the digital passport of the battery that collects technical, environmental, and conformity data throughout its life cycle.
When will it be mandatory?
The introduction will be progressive. The first deadlines are scheduled starting from February 2027 for certain categories of batteries.
What information does it contain?
It includes data on the manufacturer, technical characteristics, materials, performance, sustainability, conformity, and battery status.
Who is responsible for the Battery Passport?
Generally, the economic operator who places the finished battery on the market, as provided for by the EU Regulation.
Does the Battery Passport also concern industrial batteries?
Yes. The Regulation also concerns industrial batteries and storage systems, with methods that depend on the product configuration.
Why is the Battery Passport important for companies?
Because it improves traceability, transparency, data management, and regulatory compliance throughout the supply chain.
Will China have its own Battery Passport?
Yes. China is developing a national platform for battery traceability that will accompany future mandatory regulations on identification codes and the Digital Battery Passport.
Will the Chinese Battery Passport replace the European one?
No. The stated goal seems to be to make it compatible with the international market, but today there is no official confirmation that a Chinese Battery Passport will be automatically recognized as an EU Battery Passport.
Why is some Battery Passport data considered sensitive?
Not so much for national security reasons, but because they could reveal:
- chemical composition
- suppliers
- production processes
- industrial know-how
which represent one of the main competitive advantages of cell manufacturers.
Does the Chinese government really prohibit sharing this data?
The answer is more complex. Chinese regulations do not automatically prohibit transfer.
However, some data may require a preliminary evaluation or be classified as “Important Data”.
Does the European Battery Passport require all data to be made public?
No.
Much information will be accessible only to authorized parties:
- authorities
- recyclers
- repairers
- second life operators
This is a little-known aspect.
Will there be an automatic link between China and Europe?
Today, no one can say for sure.
It is probably the most important question in the entire sector.
What happens if the Chinese system is not ready in 2027?
It is one of the biggest risks for European OEMs.
Without the necessary data, it could become impossible to generate a Battery Passport compliant with EU requirements.
Who is really responsible for the Battery Passport?
Many think it is the cell manufacturer.
In reality, the responsible party is generally the one who places the battery on the European market.
This means that the European OEM is highly dependent on its suppliers.
I modules purchased today still be usable in 2027?
It depends.
If they are assembled into batteries subject to the EU Regulation after the Battery Passport enters into force, they may still require all the necessary documentation.
Why is the Carbon Footprint still an open issue?
Because calculation methodologies are still evolving and some regulatory deadlines have been postponed.
Even large manufacturers are waiting for clarification.
Is the real problem technological?
No.
The technologies for collecting data already exist.
The problem today is primarily:
- regulatory
- organizzativo
- geopolitico
Is the Battery Passport really just a QR Code?
Absolutely no.
The QR Code is only the access door.
Behind it is a huge database with information on:
- production
- materials
- safety
- maintenance
- repair
- recycling
- second life
Will the Battery Passport change the way a BMS is designed?
Probably yes.
Future BMSs will have to record and make available much more detailed data throughout the battery’s life cycle.
Is the Battery Passport a challenge or an opportunity?
Both.
Those who manage to build a complete digital supply chain could transform a regulatory obligation into a competitive advantage.
