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Nordic Semiconductor Unveils Nordic Fuel Gauge v2.0

In a groundbreaking announcement at Embedded World 2026, Nordic Semiconductor, a key player in low-power wireless connectivity, revealed the Nordic Fuel Gauge v2.0. This latest update significantly enhances their existing software-based fuel gauge solution, previously renowned for its accuracy and reliability.

Features of the Nordic Fuel Gauge v2.0

The new version introduces advanced features that are set to revolutionize battery management within the IoT sector. It includes:

• - State-of-Health Estimation: This feature enables manufacturers to accurately assess battery condition, ensuring timely replacements and prolonging device life.
• - Adaptive Battery Modeling: Real-time adjustments based on actual usage patterns to prevent performance degradation over time.
• - Long-term Fleet Analytics: With the integration of nRF Cloud powered by Memfault, manufacturers can monitor battery health across their entire fleet, identifying anomalies and optimizing performance based on real-world data.

Addressing Compliance and Sustainability

As environmental standards tighten, such as the European Union's Batteries Regulation 2023/1542, the Fuel Gauge v2.0 is designed to facilitate compliance. This regulation mandates that users can replace batteries easily during the lifespan of a product. The advanced reporting and analytics capabilities of the Fuel Gauge v2.0 support manufacturers in meeting these criteria, thus promoting the right to repair and sustainability initiatives.

Geir Kjosavik, Product Director at Nordic Semiconductor, emphasized the shift in battery management technology, stating, "Battery behavior in the field rarely matches what you see in the lab. With Fuel Gauge v2.0, we're bringing adaptive, real-world intelligence that was once exclusive to premium consumer electronics into the IoT space. It's a game changer for billions of battery-powered devices."

Seamless Cloud Integration

The Fuel Gauge v2.0 is designed to integrate with Nordic's lifecycle cloud services, allowing devices to report metrics such as State-of-Health and State-of-Charge without needing extensive custom cloud solutions. This simplifies the process for engineering and operations teams, enabling them to manage battery performance effectively and drive continuous improvement in future designs.

François Baldassari, founder of Memfault and VP of Software Services at Nordic, remarked on the innovative approach to device management, asserting, "By connecting Fuel Gauge v2.0 seamlessly to nRF Cloud, we give companies a powerful, scalable way to understand and improve device behavior across entire fleets. It's the future of battery intelligence."

Enhanced Lifetime Insights and Performance

Building upon the foundational State-of-Charge accuracy established in its predecessor, the Fuel Gauge v2.0 employs an adaptive model capable of continually comparing the original profile of the battery with its performance over time. This represents a significant leap in accuracy, allowing for reliable assessments of battery lifecycle and charge cycles.

Furthermore, for battery-swappable devices, the system keeps track of the health of each individual battery pack, ensuring that users always have up-to-date insights. Unlike traditional fuel-gauge ICs that may lose accuracy over time, the Nordic solution uses the nPM1300 Power Management IC’s integrated measurements, coupled with intelligent algorithms, to deliver precise information efficiently and cost-effectively.

Availability and Future Implications

The Nordic Fuel Gauge v2.0 is currently in beta testing, with broader availability expected by June 2026. The technology will make its public debut at Embedded World 2026, showcasing live demonstrations of its capabilities in monitoring battery health from various connected devices.

As manufacturers aim for more intelligent and sustainable IoT solutions, the Nordic Fuel Gauge v2.0 stands as a significant advancement in power management technology, setting the stage for smarter, longer-lasting devices.