Z-Class
The Z-Class Advantage:
Power. Precision. Persistence.
Battlefield-Ready System Components
Four Fuel Cell Stacks: The core of our stealth power generation.
Lithium-Ion Battery: Provides burst power for acceleration and energy redundancy.
Hydrogen Safety Systems: Expert safeguards ensure secure deployment.
Custom Cooling System: Regulates thermal signature and maximizes durability in austere conditions.
Power Electronics & High-Performance Electric Motor: Translates fuel cell energy into quiet, high-torque motion.
ZEI’s Hydrogen Operating Software: Smart controls for adaptive mission profiles and seamless integration.
Mission-Flexible Performance
Designed for land, sea, and expeditionary platforms, Z-Class delivers reliable, stealth-capable energy to power medium- and heavy-duty tactical systems. Whether moving through congested urban terrain or operating deep in denied areas, Z-Class ensures the power to maneuver without compromise.
System Specifications
Power
Peak Power 390 kW (522 hp) Continuous Power 280 kW (375 hp)
Torque
630 Nm (465 lb-ft)
Dimensions
Length 1,950 mm
Width 990 mm
Height 850 mm
System Weight
700 kg (1,540 lbs)
Fuel
Gaseous Hydrogen
Nominal System Efficiency
>50%
Heat Management
Liquid-Cooled (Water-to-Water)
Repowering for the Mission: A Smarter Path to Tactical Readiness
Why scrap proven assets when you can strategically upgrade?
Retrofitting Military Platforms Enables:
Extended Asset Life: Maximize the value of existing vessels and vehicles while reducing logistical waste.
Cost-Effective Modernization: A fraction of the cost compared to acquiring new defense systems.
Rapid Deployment: Accelerate the transition to low-signature energy platforms without long procurement timelines.
Field-Level Accessibility: Makes integration of advanced propulsion feasible for maintenance depots and independent contractors.
Strengthen the Force Through Modernization
For Defense Programs
Fleet Upgrades: Convert existing assets to hydrogen power for improved stealth and efficiency.
Operational Edge: Reduce detection risk and fuel dependency in contested zones.
Lower Lifecycle Costs: Gain energy resilience while cutting long-term operational expenses.
For Military Contractors & Integrators
Expand Capabilities: Offer hydrogen retrofits as part of modernization and sustainment packages.
Stay Mission-Aligned: Deliver solutions that meet evolving energy mandates and performance requirements.
Unlock New Contracts: Position yourself at the forefront of next-gen defense energy solutions.
For Innovators
Preserve and Enhance: Upgrade legacy platforms without sacrificing performance or historical value.
Experience Stealth Power: Quiet, low-thermal operation meets modern battlefield needs.
Join the Next Frontier: Be part of the shift to smarter, cleaner, and more capable tactical mobility.