Wallbox Unveils Supernova PowerRing: A Scalable 400 kW Fast-Charging System to Redefine Public EV Infrastructure
Wallbox a global leader in electric vehicle (EV) charging and energy management solutions, has announced the launch of the Supernova PowerRing, a major advancement in the company’s fast-charging technology lineup. Designed to deliver exceptional performance, scalability, and efficiency, the PowerRing system can supply up to 400 kW to a single vehicle and manage a total shared system capacity of up to 720 kW.
With its intelligent power-sharing architecture and modular design, the Supernova PowerRing is positioned to transform destination and semi-public charging environments — from retail centers and petrol stations to commercial parking areas — by maximizing installed capacity, minimizing footprint, and reducing energy waste.
A New Benchmark in Fast-Charging Technology
At its core, the Supernova PowerRing is a connected ecosystem of multiple Supernova DC fast chargers, Wallbox’s flagship series designed for public and semi-public use. What sets PowerRing apart is its ability to intelligently distribute energy among multiple units, ensuring that available power is dynamically allocated where it’s needed most.
In traditional charging systems, power is often underutilized when some chargers remain idle while others experience peak demand. PowerRing addresses this inefficiency by pooling unused capacity and redirecting it across the network in real time. This ensures that every charging outlet delivers optimal performance based on live energy demand, improving both charger uptime and energy efficiency.
By balancing power across connected units, operators can make full use of their installed capacity while minimizing idle energy costs and infrastructure investments. The result is a fast-charging solution that’s as economically efficient as it is technically advanced.
Modular Design and Dynamic Power Distribution
Wallbox designed the PowerRing with real-world usage patterns in mind. Recognizing that EV charging demand fluctuates throughout the day and across locations, the system employs dynamic power distribution to optimize output and driver experience simultaneously.
Each PowerRing configuration can connect up to three Supernova units and six charging outlets, providing scalable installed capacities of 240 kW, 480 kW, or 720 kW. This flexibility enables site operators to choose the right capacity for their specific needs — whether it’s a high-traffic highway rest stop or a smaller commercial parking site — while leaving room for future expansion as EV adoption accelerates.
“Operators need charging systems that make economic sense today while being ready for the future,” said Eduard Castañeda, Chief Product & Technology Officer at Wallbox. “Supernova PowerRing was designed to do exactly that, delivering flexibility, performance, and reliability, all within a remarkably compact footprint.”
This modularity not only simplifies installation but also helps operators manage grid constraints more effectively. The PowerRing’s adaptable configuration allows charging stations to increase capacity incrementally without major overhauls — a significant advantage in an industry where technology and energy requirements are evolving rapidly.
Intelligent Power Sharing: The Heart of PowerRing
The first phase of the Supernova PowerRing rollout introduces power sharing between units, enabling the system to dynamically allocate unused energy to the chargers that need it most. This capability reduces power bottlenecks during peak usage periods and ensures consistent fast-charging performance across the entire site.
By optimizing power flow, PowerRing can reduce downtime, increase charging session throughput, and improve overall site efficiency. It also simplifies infrastructure planning — particularly for multi-outlet charging hubs — by enabling operators to install fewer total units while maintaining equivalent service capacity.
In later phases, Wallbox plans to expand the system’s capabilities even further. Future updates will introduce advanced power-sharing features, allowing chargers to continue distributing power even when one or more connectors are already in use. This will deliver enhanced flexibility and reduce queue times for EV drivers, improving the customer experience at busy charging sites.
The company also aims to implement intelligent power-sharing algorithms capable of balancing energy loads across entire sites or multiple PowerRing systems. These algorithms will further refine efficiency, performance, and responsiveness by analyzing real-time usage data and energy conditions.
Compact, Scalable, and Ready for the Real World
One of PowerRing’s most striking features is its compact, modular design, which enables high-power installations without requiring excessive space or complex infrastructure. This makes it ideal for a wide range of deployment scenarios, from urban commercial centers and petrol forecourts to highway rest areas and fleet depots.
The streamlined installation process allows operators to reduce deployment costs, accelerate time to market, and minimize disruption during setup. Wallbox’s engineering team designed PowerRing to integrate seamlessly with existing Supernova chargers, ensuring that current Wallbox customers can upgrade or expand their systems without replacing their entire infrastructure.
“Supernova PowerRing is designed to redefine how charging infrastructure can scale efficiently,” added Castañeda. “It allows operators to serve more drivers with less space, less cost, and less complexity, while maintaining a focus on charging speed and user experience.”
Supporting the Transition to Mass EV Adoption
As global EV adoption continues to accelerate, the demand for fast, reliable, and scalable charging infrastructure is becoming more urgent. Traditional charging setups — often designed for limited use cases — struggle to handle surges in demand or efficiently utilize available grid capacity.
PowerRing directly addresses these challenges by enabling flexible, high-performance energy distribution across sites. For drivers, this means shorter waiting times, more consistent charging speeds, and a more reliable overall experience. For operators, it translates into improved return on investment (ROI) through higher utilization rates and reduced operational inefficiencies.
Additionally, PowerRing’s modular setup supports the future integration of renewable energy and energy storage systems, allowing operators to incorporate solar, battery, or grid-balancing technologies into their charging networks. This forward-compatible design ensures that today’s PowerRing installations will remain relevant and adaptable in an evolving clean-energy landscape.
Strategic Rollout and Market Expansion
Wallbox plans to begin rolling out the Supernova PowerRing in phases starting in Q1 2026. The initial launch markets will include Southern Europe, Benelux, and the UK/Ireland, regions where public and semi-public charging demand is surging due to expanding EV adoption and supportive policy frameworks.
Following the European debut, Wallbox will expand into additional international markets, including the United States, where demand for fast-charging infrastructure continues to grow alongside federal and state incentives for electrification.
The company’s phased rollout strategy is designed to gather real-world operational data from early deployments, refine performance algorithms, and ensure optimal reliability before global expansion.
Driving the Future of Connected Charging
The introduction of Supernova PowerRing represents a significant milestone in Wallbox’s mission to deliver smart, sustainable, and scalable EV charging solutions for the next generation of mobility. It combines Wallbox’s expertise in hardware engineering, digital connectivity, and intelligent energy management into one flexible platform capable of meeting diverse operator needs.
By building upon the proven success of the Supernova family, PowerRing reinforces Wallbox’s position as a key player in shaping the future of public and semi-public charging networks. The system’s combination of power density, modularity, and intelligence reflects the company’s commitment to creating infrastructure that not only meets current demand but also anticipates the evolving requirements of an electrified world.
“Wallbox has always focused on making energy management smarter and more efficient,” Castañeda concluded. “With Supernova PowerRing, we’re giving operators and drivers alike the tools they need to embrace the EV revolution — faster, smarter, and more sustainably than ever before.”
As Wallbox prepares for the 2026 rollout, the Supernova PowerRing stands as a powerful example of how innovation, scalability, and intelligent design can converge to drive the next phase of global EV infrastructure growth.
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