Horizon 20W PEM Fuel Cell

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Price: $799.00
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Product Description

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 might 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


Type of fuel cell PEM
Number of cells 13
Rated power 20W
Rated performance 7.8V at 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 0.45-0.55Bar
Humidification Self-humidified
Cooling Air (integrated cooling fan)
Stack weight (with fan and casing) 275g (±30g)
Controller weight 90g (±10g)
Stack size 75x47x70mm
Flow rate at max output 0.28L/min
Hydrogen purity ≥99.995% dry H2
Start up time ≤30s (ambient temperature)
Efficiency of system 40% at full power


Typical lead time of 2 weeks expected.

Additional information

Weight 2 lbs
Dimensions 8 × 8 × 6 in


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