India’s Tata Technologies has made a significant move in the electric vehicle (EV) sector by launching its cloud-based platform, WATTSync, aimed at establishing digital battery passports (DBPs) as a standard for electric vehicles and industrial batteries. This initiative aligns closely with the European Union’s regulations set to take effect in February 2027, which mandate that all batteries sold in the EU must include a digital record. This record, accessible via a QR code, will detail crucial information such as the battery’s material origin, carbon footprint, compliance standards, and recycling efficiency.
WATTSync harnesses advanced technologies, utilizing artificial intelligence to monitor battery health and blockchain to ensure data integrity, allowing for seamless scaling across various regions. This comprehensive approach not only adheres to EU regulations but also positions Tata Technologies as a key player in the evolving landscape of battery management and sustainability.
Internationally, interest in digital battery passports is gaining momentum. China has initiated its own DBP scheme and is considering extensions into sectors like textiles and steel, indicating a broader application of this technology. Countries such as the United States, the United Kingdom, Japan, Canada, and India are also advancing their own DBP standards, reflecting a global shift toward enhanced battery transparency and accountability.
Several industry leaders have already introduced their DBPs. Companies like Bosch SDS, AVL, DENSO, Umicore, Open Battery Passport, Siemens, and BloqSens AG have taken steps to integrate these digital records into their operations, emphasizing the importance of a clear and documented battery lifecycle. Each DBP comprises three distinct data layers: a public layer for general access, a restricted layer containing sensitive technical data for authorized users, and a dynamic layer that provides real-time performance metrics.
These digital passports assign a unique digital identity to each battery, enabling the tracking of its lifecycle from mining through to recycling. This tracking captures key data such as origin, composition, performance, and carbon impact, all of which are crucial for enhancing supply chain transparency in the EV market. By ensuring compliance with EU Battery Regulations and similar supply chain mandates, DBPs aim to mitigate hazardous waste and promote circular economy practices, including the repurposing of batteries for stationary energy storage and advancing recycling initiatives.
The push for digital battery passports has its roots in the Global Battery Alliance (GBA), which introduced the concept in January 2023. Recognized as the global standard for battery transparency, the GBA’s initiative is backed by various governments and industry stakeholders, highlighting a strong collective commitment to enhancing sustainability and accountability in battery production and use. The implementation of DBPs is expected to increase market confidence, potentially influencing the resale value of electric vehicles by providing greater assurance regarding their lifecycle and environmental impact.


