H-300 Horizon Fuel Cell

TheSix TechSKU: FCTS-001-000-00007-00300

Sale price$2,924.00


Horizon’s H-300 PEM Fuel Cell System is a very light and compact system. It is applicable for various small projects with its 300 Watt air fed / air cooled, hydrogen fuel cell. The biggest advance of H-100 fuel cell is being air cooled; meaning that there is no need for water cooling systems with complex structures.

Our standard systems are modular, simple, efficient, and feature some of the highest power densities available in the world opening new possibilities for integration & commercialization. Make contact with our team to explore accessories, new D/DC power conversion devices, and other system components you may need.

  • Connections/Tubing 
  • Electronic valves
  • Electronic control box
  • 300W stack with blower
  • Fuel Cell ON/OFF switch 
  • SCU ON/OFF switch

Make contact with our team to explore accessories, new D/DC power conversion devices, H2 Sensor, Ultracapacitor and other system components you may need. 


Technical Details

Number of Cells


Rated Power

300 W

Rated Performance

36V @ 8.3A

Hydrogen Supply Valve Voltage


Purging Valve Voltage


Blower Voltage



Hydrogen and Air

Ambient Temperature

5 – 30 C; (41 – 86 F;)

Max Stack Temperature

65 C (149 F)

Hydrogen Pressure

0.45 – 0.55 Bar




Air (integrated cooling fan)

Controller Weight


Stack Weight (with Fan & Casing)

2790g ± 30g

Hydrogen Flow Rate at Max Output

3.9 L/min

Stack Size

118 x 262 x 94 mm (4.6″ x 4.1″ x 3.7″)

Hydrogen Purity Requirement

≥ 99.995% (dry H2)

Start up time

≤ 30s (ambient temperature)

Efficiency of System

40% at 12V

Low Voltage Protection


Over Current Protection


Over Temperature Protection

65 C

External Power Supply

13V (±1V), 5A



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