Need help?

H-500 PEM Fuel Cell - 500W

500W PEM Fuel Cell Stack Overview

At the 500-watt level this fuel cell stack that can perform a number of functions.  It can be used to build power backup generators for a home office, or it can be integrated into something like an electric bike to provide some power assistance for long trips.  In remote locations with higher power demands this fuel cell stack can also shine with its higher power output.  Hydrogen fuel cell technology is the ideal alternative to diesel and gasoline generators.

This fuel cell stack also comes with the following:

  • Connection Tubing
  • Electronic Valves
  • Electronic Control Box
  • Fuel Cell On/Off Switch
  • SCU On/Off Switch

Fuel Cell Stack 500W

Additional Information

While Horizon typically keeps a small stock of these fuel cells in order to expedite orders, it is highly recommended that you click here to fill out a quote request form.  This will enable us to contact you with availability and set proper delivery expectations.  Additionally, by filling out the quote request form we can also provide you with additional information regarding accessory components that are needed to expedite the integration of this product into your project.  As with other hydrogen fuel cell stacks in the H-Series, we can help with procuring a DC-to-DC converter in order to help maintain a continuous level of power from the fuel cell stack.

500W Fuel Cell and Hydrogen

Safety Requirements

Do not insert or disconnect power cables when the fuel cell stack is turned on. Warranty is void if the fuel cell stack is disassembled or otherwise tampered with. Hydrogen is a colorless, odorless, and flammable substance.  Always operate and store the fuel cell stacks and hydrogen storage canisters in an area with ample ventilation. Fuel cell systems should always be equipped with a highly accurate hydrogen sensor to detect any leaking hydrogen within the system or from the hydrogen storage canister.  Please refer to the H-500 User Manual to read all of the safety requirements for the product.

H-500 PEM Fuel Cell with MH

Fuel Cell Stack 500W Quick Product Facts


Number of Cells

This fuel cell stack is composed of 24 fuel cells.


Hydrogen Pressure

Hydrogen must be fed into the fuel cell stack at a pressure of 0.45-0.55 Bar.


Ambient Temperature

The fuel cell stack operates best in a temperature ranging from 41 to 86° F / 5-30° C.



This fuel cell stack uses self-humidification.



FC Stack Weight

The stack (including fan and casing) weighs 7.5lbs / 3.4kg.

weight 2

Controller Weight

The weight of the controller is 1.3lb / 0.6kg.


System Efficiency

At 14.4 volts the efficiency of the system is 40%.

external power supply

External Power Supply

Proper operation of the stack requires an external power supply of 13 volts at 5 amperes.



User Manual

pdf [3.7 MB]
pdf [1.97 MB]


pdf [880.45 kB]

This product is only on demand. Please contact us.

Request a Quote
Loading ...