As the global transition to electric mobility accelerates, EV charging infrastructure faces growing demands for power density, communication stability, and environmental endurance.
Nebula’s newly developed product: NEPOWER, a battery integrated, liquid cooled, V2G ultra-fast DC EV charger, represents a new generation of high-power intelligent charging solutions.
Designed for both ultra-fast charging and bidirectional energy flow (V2G), NEPOWER combines exceptional performance with robust reliability. Before entering mass production, the charger underwent comprehensive EMC (Electromagnetic Compatibility) and extreme environmental test to ensure long-term safety and operational stability under harsh real-world conditions.
1. EMC Validation: Ensuring Reliability in Complex Electromagnetic Environments
As a high-power electronic system, a charger constantly interacts with the grid, vehicles, and communication networks.
Any electromagnetic disturbance could cause control errors or data loss. Nebula’s EMC testing program ensured that NEPOWER performs reliably even under severe electromagnetic stress, following international standards such as EN IEC 61851-21-2:2021.
The testing scope included:
Conducted and Radiated Emission Tests – verifying compliance with international EMC limits and minimizing interference to nearby equipment.
Conducted and Radiated Immunity Tests – simulating voltage surges, transient bursts, and electromagnetic fields to ensure fault-free operation.
After multiple testing cycles and hardware optimizations, NEPOWER achieved EMC performance that exceeds EU CE EMC requirements. The system maintains flawless stability under various applications, establishing a new industry benchmark for reliability.
(Test data summary as above)
Note:EN IEC 61851-21-2:2021 is the European standard for the electromagnetic compatibility (EMC) of off-board electric vehicle (EV)charging systems.
2. Extreme Weather Test: Verifying Full-Range Operational Stability
In compliance with stringent EU regulatory requirements for global deployment, NEPOWER underwent a comprehensive environmental validation protocol. It was subjected to a range of extreme conditions simulating climates from icy plateaus to desert heat, including:
High-Temperature Endurance (+50°C) : Verifying system stability under continuous thermal stress.
Low-Temperature Start-Up (-25°C): Ensuring reliable start-up, communication, and charging performance in sub-zero environments.
High Humidity : Preventing corrosion and performance degradation in coastal or tropical applications.
As a result, NEPOWER demonstrated stable operation across a wide temperature range from -25°C to +50°C, achieving IP55-rated protection and utilizing a liquid-cooling system that dynamically regulates internal temperature for optimal performance under varying environmental conditions.
Defining Reliability through Rigorous Validation
From EMC resilience to environmental endurance, NEPOWER (Battery- Integrated V2G DC Charger) proves that true innovation lies in reliability. Every test, from lab simulations to field trials, reinforces Nebula’s commitment to intelligent, safe, and sustainable charging.
Each validation cycle is not merely compliance, it’s a commitment to quality and trust.
Nebula will continue to define reliability through engineering excellence and rigorous verification, empowering the future of intelligent energy infrastructure.
Mail:market@e-nebula.com
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Post time: Oct-20-2025