• • • BATTERIES & CHARGERS • • •


BY MARK RUTHERFORD, CEO, ALEXANDER BATTERY TECHNOLOGIES W


ith the EU Battery Passport becoming mandatory from February 2027 for industrial batteries and larger battery systems within scope of the regulation, transparency is moving from policy discussion to operational requirement. As February 2027 approaches, battery manufacturers are adjusting to a higher standard of operational scrutiny that is already influencing customer behaviour across Europe. The regulation requires that in-scope industrial batteries carry a compliant digital record detailing origin, carbon footprint, recycled content and key technical characteristics which means a battery without a defensible data trail cannot be placed on the EU market. For UK-based manufacturers exporting into Europe, this requirement is feeding directly into supplier questionnaires, qualification audits and commercial discussions well ahead of the deadline.


Embedding traceability into routine operations


One of the most significant changes is that data capture can no longer be treated as a parallel compliance activity that sits alongside


32 ELECTRICAL ENGINEERING • MAY 2026


manufacturing; it must be integrated into it. Bills of materials, approved supplier records, serial numbers, firmware versions, test outcomes and process parameters need to sit within a structured framework that allows each finished pack to be traced back through its component batches and build history without having to retrieve and consolidate information from separate systems. Battery programmes evolve over time as components are substituted, designs are refined and process improvements are introduced and without controlled change management those adjustments can create gaps between approved specifications and what is built on the line. Under a Battery Passport regime, such gaps carry greater commercial risk because the expectation is that documentation and physical product remain aligned throughout the lifecycle of the programme. For mid-market manufacturers that are not vertically integrated, the battery pack manufacturer often plays a central role in consolidating upstream materials data, even where the final regulatory responsibility sits with the OEM placing the product on the market. This includes reconciling upstream information on cell chemistry, material origin and lifecycle emissions. That data does not always arrive in a consistent or audit-ready format, so it must be reviewed and validated before it can be relied upon. The response is disciplined serialisation, structured engineering change control and integrated production records. When those elements are aligned, compliance becomes a natural outcome of controlled, evidence-based manufacturing rather than a separate reporting exercise layered on at the end of the process.


THE EU BATTERY PASSPORT - TRACEABILITY TIGHTENS BATTERY SUPPLY CHAINS Addressing weak points


across the supply chain Battery supply chains remain globally distributed and technically layered with cells, electronics and mechanical assemblies often sourced from different jurisdictions, alongside battery management firmware that careful version control and documented verification throughout the product lifecycle. The most exposed areas are typically upstream, where raw material data and carbon reporting methodologies are still developing and may not be standardised across suppliers.


Carbon footprint declarations and recycled content claims depend on reliable inputs from cell manufacturers and material processors. Inconsistencies at that level can complicate the creation of a coherent product record further downstream. Manufacturers therefore need systems capable of accommodating and validating that data before it is attached to a compliant Battery Passport. Software integrity introduces an additional dimension. Modern battery packs incorporate battery management systems and firmware that influence performance, safety and warranty exposure. As a result, version control, update management and documented verification processes are increasingly regarded as integral to overall quality assurance.


Customers and insurers no longer separate


software from hardware in their assessment of risk. Firmware versions, update histories and access controls are examined alongside weld data, torque settings and electrical test results,


electricalengineeringmagazine.co.uk


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