Battery Passport

battery cell holding an EU passport

The global shift towards digital battery passports and enhanced traceability regulations, primarily focused on the electric vehicle (EV) sector.

In the European Union, Regulation 2023/1542 mandates that by February 2027, batteries must feature a digital record accessible via QR code detailing their composition, carbon footprint, and health.

Similarly, China is implementing its own digital ID system to manage a surge in retired batteries and ensure full-lifecycle monitoring.

India’s Battery Pack Aadhaar Number (BPAN) echoes the EU Battery Passport and UN traceability standards we are already shaping through global ISO standards.

These initiatives aim to foster a circular economy by improving recycling efficiency and facilitating the transition of used batteries into second-life applications, such as home energy storage.

GHG Intensity vs cycle life for a battery cell and calculated lifetime emissions per kWh throughput of energy
Carbon Footprint is a 2-axis Problem

The total lifetime emissions of a battery is dependent on the emissions generated in making it and how long it lasts, hence “Carbon Footprint is a 2-axis Problem”. Hence if we select a chemistry that has higher initial emissions but lasts much longer we could overall have a lower impact on the planet.

Status of Battery Passports in 2026 – as of 2026, the battery passport ecosystem has transitioned from a theoretical concept and pilot phase into a period of urgent, large-scale implementation. With the European Union’s strict mandate for full digital battery passports going into effect on February 18, 2027, manufacturers and supply chains are in a critical sprint to build the necessary data infrastructure.

cost of a digital battery passport - graphic
The Cost of Producing a Battery Passport

The cost of producing a digital battery passport is not a single, flat fee but rather a comprehensive, phased investment that encompasses software platforms, physical marking, compliance audits, and lifecycle data management. Over 90% of the implementation tasks translate into fixed costs, meaning the burden is often heavier for small and medium enterprises compared to large manufacturers.

For a large electric vehicle (EV) manufacturer, the initial investment for the first battery model can exceed €250,000, with ongoing annual maintenance and audit fees ranging from €20,000 to €50,000.

See also: EN / EU — European, Second Life of Batteries for Electric Vehicles