Horizon 20W PEM Fuel Cell

Brand: Horizon Fuel Cell Technologies
Product Code: 72090002


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The Horizon H-20 PEM Fuel Cell is a 20 Watt, air fed / air cooled, hydrogen fuel cell suitable for many small projects and uses.  Because this fuel cell is air cooled, there is no need for large, complicated, and expensive water cooling systems.

Projects/Applications that will benefit from the use of this product include: recharging for cell phone, power for a small RC car or boat, or just an economical way to begin experimenting with hydrogen fuel cells and their use and operation.


✔ Miniature electronic valve
✔ Control electronics
✔ Integrated fan and casing
✔ Low pressure protection
✔ 20W stack with blower

Fuel Cell Properties
Number of Cells 13
Rated Power 20W
Rated Performance 7.8V @ 2.6A
Purging Valve Voltage 6V
Blower Voltage 5V
Reactants Hydrogen and Air
Ambient Temperature 5 - 30 C; (41 - 86 F;)
Max Stack Temperature 55 C (131 F)
Hydrogen Pressure 0.45 - 0.55 Bar
Humidification Self-humidified
Cooling Air (integrated cooling fan)
Controller Weight 90g
Stack Weight (with Fan & Casing) 275g ± 30g
Hydrogen Flow Rate at Max Output 0.28 L/min
Stack Size 75 x 47 x 70mm (3" x 1.8" x 2.8")
Hydrogen Purity Requirement ≥ 99.995%
Start up time ≤ 30s (ambient temperature)
Efficiency of System 40% at Full Load

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