Air-Cooled PEM Stacks: 1.8 / 3 / 6 kW
Graphite-plate air-cooled stacks that turn hydrogen cylinders into flight hours — sized for UAV integrators and portable power builders. The 6 kW single module leads the air-cooled class (typical commercial units top out at 2–3 kW, industry reference).
Common platform: graphite plates, self-humidifying, air-breathing cathode, 0.05 MPa operation (manufacturer specification)†.
For Integrators
Match the stack to your airframe’s power budget: 1.8 kW suits ≤25 kg VTOL and multi-rotor builds; 3 kW covers mid-size fixed-wing; 6 kW supports heavy VTOL and high-power loitering figures. Stack controllers, hydrogen regulation and tank matching are part of our integration package — the same stacks fly in the HPD series.
Product Images
Full Specifications
Three Power Grades
| Grade | Voltage/Current ref. | Efficiency | H₂ consumption | Size (with fan) | Weight |
|---|---|---|---|---|---|
| 1.8 kW | AC-P1000 class† | ≥50%† | ~30 LPM† | 220×150×145 mm | 3.4 kg |
| 3 kW | 59.4 V / 50.5 A† | ≥50%† | 60 LPM† | 220×350×160 mm | 8.1 kg |
| 6 kW | 72 V / 69 A† | ≥50%† | 100 LPM† | 250×420×160 mm | 11.9 kg |
FAQ
Can I buy stacks without the airframe?
Yes — stacks ship to OEM integrators with interface documents and support.
What lifetime can I expect?
Durability data is being compiled; ask for the current test summary in your RFQ.
Cooling requirements?
Air-cooled — no liquid loop; integrate the fan inlet into your airframe airflow.