Urban transport is changing rapidly. E-bikes, scooters and other light mobility transport (LMT) solutions are becoming central to how cities reduce congestion and emissions. Behind this growth is a less visible challenge. These systems depend on batteries that move constantly between users, vehicles and charging points.
In high-churn environments such as shared e-bike fleets and battery-swapping stations, tracking battery condition, ownership, and safety becomes complex. The Digital Battery Passport (DBP), introduced under Regulation (EU) 2023/1542, offers a structured way to manage this complexity by providing consistent, accessible data throughout the battery lifecycle.
The Rise of High-Churn Micro-Mobility Systems
Micro-mobility services are designed for frequent, short-distance use. In many cities, shared e-bike fleets operate with thousands of users per day. Batteries are often removed, swapped and recharged multiple times within a single week.
This constant movement creates a high-churn environment where batteries change hands frequently. Unlike private electric vehicles, where a single owner uses a battery over a longer period, micro-mobility batteries experience intensive, varied usage patterns.
Clearly, light electric vehicles, including e-bikes and scooters, are playing an increasing role in urban decarbonisation strategies, with rapid growth expected across global markets.
However, scaling these systems safely requires better visibility into battery condition and history.
Why Battery Tracking is More Difficult in E-Bike Fleets
Tracking batteries in micro-mobility systems is more complex than in traditional vehicle applications. Batteries are frequently removed from vehicles, transported between locations and reused across different units.
This creates several operational challenges. Fleet operators must ensure that each battery is safe to use, properly maintained and charged under appropriate conditions. Without reliable tracking, it becomes difficult to identify degraded or potentially unsafe batteries.
In addition, battery swapping stations introduce another layer of complexity. Batteries are exchanged quickly, often without detailed checks. This increases the risk of mixing batteries with different histories, performance levels or safety conditions.
The Role of The Digital Battery Passport in High-Churn Systems
The Digital Battery Passport provides a way to maintain continuity of information, even as batteries move rapidly across users and infrastructure. Each battery is assigned a unique digital identity linked to key lifecycle data.
Under the EU Battery Regulation, this includes information on composition, performance, safety and usage history in a machine-readable format.
In a micro-mobility context, this allows operators to track batteries independently of the vehicles they are used in. Whether a battery is installed in an e-bike, stored at a charging hub or transferred between stations, its data remains accessible and up to date.
This supports consistent monitoring across the entire fleet.
Managing Battery Swapping with Reliable Data
Battery swapping systems depend on speed and efficiency. Users expect quick exchanges, often without delays for inspection or verification.
The Digital Battery Passport enables automated validation at the point of exchange. Before a battery is deployed, its passport data can be checked to confirm its state of health, recent usage and safety status.
This reduces the risk of deploying batteries that are degraded or potentially unsafe. It also helps ensure that batteries are distributed evenly across the fleet, avoiding overuse of certain units while others remain underutilised.
Over time, this leads to more balanced usage patterns and improved overall performance.
Supporting Safety and Risk Monitoring
High-churn environments increase the importance of real-time safety monitoring. Batteries in e-bike fleets are exposed to frequent charging cycles, varying environmental conditions and inconsistent handling.
By integrating operational data into the Digital Battery Passport, operators can identify patterns that may indicate emerging risks. For example, repeated overheating events or rapid degradation can be flagged early.
This aligns with broader trends in battery safety monitoring and predictive risk detection, where data is used to prevent incidents rather than respond after they occur.
Improving Maintenance and Lifecycle Management
In micro-mobility systems, efficient maintenance is essential to keep fleets operational. The Digital Battery Passport allows operators to schedule maintenance based on actual usage and condition rather than fixed intervals.
Batteries that show signs of degradation can be removed from circulation and inspected, while those in good condition remain in use. This reduces unnecessary downtime and extends the overall lifespan of assets.
The same data can support decisions around second-life use or recycling, ensuring that batteries are handled appropriately at the end of their service life.
Challenges in Implementing DBP For Micro-Mobility
While the benefits are clear, implementing the Digital Battery Passport in high-churn environments comes with challenges.
Data must be updated frequently to reflect rapid usage cycles. Systems need to support real-time access across multiple locations and stakeholders. Interoperability is also critical, especially when fleets operate across different cities or service providers.
There are also practical considerations around hardware, such as ensuring that QR codes or NFC tags remain readable despite heavy use. Addressing these issues requires a combination of robust technology and clear operational processes.
How BASE Supports Micro-Mobility Battery Tracking
At BASE, we recognise that micro-mobility represents one of the most demanding environments for battery data management. Our Digital Battery Passport framework is designed to support high-frequency data updates, interoperable data models and secure access across dynamic systems.
BASE enables the integration of battery identity with real-time operational data, supporting continuous tracking even as batteries move across vehicles, stations and users. This allows fleet operators to maintain visibility, improve safety monitoring and optimise battery utilisation.
Through pilot implementations and collaboration with industry partners, BASE is developing practical approaches that address the specific challenges of high-churn environments, helping to bridge the gap between regulatory requirements and real-world operations.
Looking Ahead
Micro-mobility will continue to play a key role in shaping sustainable urban transport. As these systems scale, the ability to manage batteries efficiently and safely will become increasingly important.
Digital Battery Passports provide the foundation for this capability. By ensuring that each battery carries a reliable and accessible data record, they enable operators to maintain control in environments where assets are constantly moving.
Organisations that adopt data-driven approaches today will be better prepared to manage growth, meet regulatory requirements and deliver safe, reliable services in the future.
The BASE project has received funding from the Horizon Europe Framework Programme (HORIZON) Research and Innovation Actions under grant agreement No. 101157200.
References
EU Battery Regulation (Regulation EU 2023/1542): https://eur-lex.europa.eu/eli/reg/2023/1542/oj
EU Battery Regulation Detailed Text: https://eur-lex.europa.eu/eli/reg/2023/1542/2023-07-28/eng
International Energy Agency – Global EV Outlook 2023: https://www.iea.org/reports/global-ev-outlook-2023
European Commission – Market Surveillance for Products: https://single-market-economy.ec.europa.eu/single-market/goods/building-blocks/market-surveillance_en