Hydrogen Fuel Cell Technology Comparisons: HYDRA-M, HYDRA-R & HYDRA-G
SOLIDHYDRO offers hydrogen and fuel cell power solutions across three technology pathways: solid-state metal hydride (HYDRA-M), reformed methanol fuel cells (HYDRA-R), and hydrogen PEM fuel cells (HYDRA-G), covering applications from 60W portable power to 205kW heavy-duty and industrial systems. Compare fuel technologies, power levels, refueling methods and application requirements to identify the right solution for your mission.
HYDRA-M Series — Solid-State Metal Hydride Hydrogen Fuel Cell for Portable & Tactical Power
| Model | Power | Key Specs | Typical Applications |
|---|---|---|---|
| HYDRA‑M 60W |
60W (Peak 80W) |
>1200Wh/kg · 5.45kg · -40°C <1 min swap · Silent (<45dB) | Man‑portable power, polar research, emergency comms |
| HYDRA‑M 120W | ≥120W |
>1200Wh/kg · ≤6.0kg · -40°C Refillable with water · Silent (<45dB) | Long‑endurance UAVs, border surveillance, unattended monitoring |
HYDRA-R Series : Reformed Methanol Fuel Cell for Off-Grid Power
| Model | Power | Key Specs | Typical Applications |
|---|---|---|---|
| HYDRA‑R 60W |
60W (Peak 80W) |
¼ fuel cost of gasoline · ≤6.0kg -40°C to +50°C · 3,500m 7×24h runtime · Silent | Remote telecom / 5G, pipeline monitoring, border security |
HYDRA-G Series — Hydrogen PEM Fuel Cells for Transport & Industry
| Model | Power | Key Specs | Typical Applications |
|---|---|---|---|
| HYDRA‑G 3kW |
3.3kW (1‑8kW configurable) |
≤7.65kg · 48V DC · Air‑Cooled >2kW/kg · -40°C · 3‑5min refuel | Multi‑rotor UAVs, light EVs, backup power |
| HYDRA‑G 120kW | 120kW |
510W/kg · 61.25% efficiency 5.1kW/s response · IP67 MIL‑STD‑810G · -30°C to +55°C | Class 8 trucks, buses, construction machinery |
| HYDRA‑G 205kW | 205kW |
702W/kg · 4.71kW/L · IP67 -40°C to +60°C · MW‑scale ready CAERI certified | Mining trucks, marine, data centers, microgrids |
3 Fuel Cell Technologies, 5 Products, One Power Portfolio
| Technology | Power | Energy Density | Refueling | Operating Temp | Key Advantage | Best For |
|---|---|---|---|---|---|---|
| Solid-State Metal Hydride (HYDRA-M) | 60W – 120W | >1200Wh/kg (fuel) | <1 min (canister swap) | -40°C to +55°C | Intrinsically safe · zero-pressure storage · 3–5× Li-Ion runtime | Man-portable power, polar ops, long-endurance UAVs |
| Methanol Reforming (HYDRA-R) | 60W | 300–400 Wh/kg (system) | 5–10 min (pour-and-go) | -40°C to +50°C | ¼ fuel cost vs gasoline · 7×24h runtime · no grid needed | Remote off-grid: telecom, monitoring, border security |
| High-Pressure PEMFC (HYDRA-G) | 3kW (air-cooled) / 120kW – 205kW (liquid-cooled) | >2kW/kg (stack) / 510–702W/kg (system) | 3–5 min (cylinder) / 8–20 min (70MPa) | -40°C to +60°C | Diesel-like refueling speed · zero emissions · MW-scale | Heavy transport, mining, marine, stationary power |
Which Hydrogen Fuel Cell Technology Fits Your Application?
| If Your Priority Is... | Choose this... |
|---|---|
| Extreme portability + intrinsic safety + cold-weather operation | HYDRA‑M 60W or 120W |
| Sustained off-grid power + low fuel cost + 7×24h runtime | HYDRA‑R 60W |
| Long‑endurance UAVs + Lightweight + Long-endurance UAVs + lightweight power + 3–5 minute refueling | HYDRA‑G 3kW |
| Heavy-duty trucks + buses + fleets + CAERI Type Approval | HYDRA‑G 120kW |
| Mining haulers + marine + MW‑scale stationary power + -40°C to +60°C | HYDRA‑G 205kW |
Need Help Choosing the Right Hydrogen Fuel Cell?
Our engineering team provides technical consultation and initial system sizing recommendations for portable, off-grid, UAV, heavy-duty and stationary power applications.
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