40kW DC Fast Charger Wallbox: High-Performance Fleet Charging
Industrial-Grade Power. Compact Wall-Mounted Design. Made in EU.
Most 40kW chargers on the market look good on a spec sheet but fail in the field. After years of developing EV infrastructure for harsh, off-grid environments, we analyzed the competition and found a pattern of thermal derating, software limitations, and amperage bottlenecks.
We built the Ampernext 40kW DC Wallbox to solve those specific engineering gaps. It delivers uncompromised DC fast charging for fleets, commercial sites, and high-demand workplaces—without the footprint or cost of a full cabinet system.
Engineering Excellence Where It Matters Most:
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Sustained Full-Power Delivery: While others throttle speeds after 20 minutes, our wallbox is engineered to maintain a continuous 40kW output for hours of heavy-duty charging.
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High Amperage at Real-World Voltages: We deliver a true 40kW charge even at 350V, ensuring maximum speed for a wider variety of passenger EVs and commercial vans.
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Superior Thermal Resilience (Up to 50°C): Designed for high-velocity cooling, this unit operates at full rated power in 40°C ambient temperatures and remains reliable up to 50°C, preventing the “summer slowdown” common in cheaper hardware.
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Proprietary EU Firmware & Control: Built in Sofia, Bulgaria, we own 100% of our code. This allows us to provide deep software customization for specialized installations and rapid updates to meet evolving ISO standards.
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Optimized for Commercial Installation: Our design minimizes installation overhead and footprint, providing a high-performance charging solution that is easier to deploy and scale.
Technical Superiority & Commercial Scalability
The Ampernext 40kW Wallbox is engineered to bridge the gap between slow AC chargers and oversized DC cabinets.
Core Performance Features:
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1000V High-Voltage Architecture: Fully compatible with current 400V systems and next-generation 800V/1000V vehicle architectures.
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Full Connectivity Suite: Integrated Ethernet, WiFi, and 4G LTE for constant uptime and remote monitoring.
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Advanced Energy Management: Native support for site-load balancing and energy orchestration to reduce peak demand charges.
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OCPP 1.6J Ready: Seamless integration with Ampeco and other major backend management platforms for billing and fleet tracking.
Designed for the Operator:
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10” Industrial HMI: A large, high-visibility touchscreen interface designed for ease of use in commercial and workplace environments.
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IP-Rated Durability: A ruggedized, compact enclosure built to withstand harsh outdoor conditions and high-traffic usage.
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Streamlined Deployment: Significantly lower civil engineering and infrastructure costs compared to traditional floor-mounted DC cabinets.
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European Support Lifecycle: Direct access to the engineers in Bulgaria who designed the hardware and firmware, ensuring rapid technical resolution.
Targeted Charging Solutions
High-performance DC charging tailored for specialized commercial applications.
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Logistics Hubs & Fleet Operators: The “working mule” of the depot. Our 40kW wallbox is designed for high-duty cycles in logistics environments, providing rapid turnaround for delivery vans and trucks without the massive footprint of traditional charging stations.
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Commercial Real Estate & Public Parking: Attract high-end EV drivers with 1000V-ready technology. The compact, wall-mounted design allows for easy installation in existing parking structures where floor space is at a premium, reducing civil engineering costs.
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Workplace & Industrial Sites: Ideal for businesses that need to provide fast charging for employees or service vehicles but lack the space for bulky cabinets. It integrates seamlessly into existing building energy management systems (EMS) to prevent grid overloads.
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Next-Gen Tech Early Adopters: For those seeking future-proof performance. With support for 1000V architectures and the ability to maintain real 40kW output even at lower battery voltages, this is the hardware of choice for performance-focused infrastructure.
Technical Specifications at a Glance
Feature
Specification
Max Output Power
40kW (Continuous full-load rated)
Output Voltage Range
150V – 1000V DC (Next-gen architecture)
Max Output Current
125A (High-speed delivery at 350V-400V)
Efficiency
>97% at nominal output
Thermal Performance
Full power up to 40°C (Operational to 50°C)
User Interface
10” Industrial Touchscreen + RFID
Compliance
ISO 15118, CE Certified
Connectivity
4G LTE, Ethernet, WiFi, OCPP 1.6J
Enclosure
IP54
Custom firmware modifications for ISO 15118-20 and specialized grid orchestration available upon request.
Redefining High-Power Infrastructure
Most 40kW chargers are repurposed low-power designs. We engineered ours from the ground up to challenge the status quo.
For too long, businesses have had to choose between slow AC wallboxes or massive, overpriced DC cabinets. We’ve eliminated that compromise. By applying our years of experience in high-velocity R&D and harsh-environment engineering, we have created a “Working Mule” that fits on a wall but performs like a station.
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Zero-Throttling Architecture: While competitors hide behind “peak power” numbers that drop after minutes, our mechatronic design is built for 100% duty cycles.
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European Supply Chain Integrity: By controlling the design and assembly in our laboratory, we ensure that every component—from the controllers to the high-power contactors—meets strict Eurozone quality standards.
Powered by AmperOne R&D: Designed and engineered in our specialized Sofia mechatronics lab.
Industrial Mechatronics in a Compact Footprint
Elite engineering isn’t just about power—it’s about thermal intelligence and space optimization.
The Ampernext 40kW Wallbox is the result of rigorous structural and thermal modeling. We didn’t just pack components into a box; we engineered a high-velocity airflow system that allows for a significantly smaller enclosure without sacrificing reliability.
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Space-Saving Deployment: Reduce your installation footprint, allowing for fast charging in tight urban garages or crowded fleet depots.
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Reliability by Design: By using proprietary firmware and high-grade industrial materials, we’ve reduced the common failure points found in mass-produced hardware.
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Future-Proof Power: With 1000V compatibility built into the core mechatronic assembly, your infrastructure is ready for the next generation of EVs today.