Brand: Horizon Fuel Cell Americas
Product Code: 810016

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This product is no longer supported by the Fuel Cell Store. This web page is being kept up for customers who have previously purchased the item from us for informational purposes.

HYDROSTIK PRO is a convenient hydrogen storage solution to fuel your hydrogen powered devices. Hold the latest hydrogen storage technology in the palm of your hand. Rather than compressing hydrogen gas, the safe, and reliable HYDROSTIK binds hydrogen with a metal alloy to form a solid metal hydride.

The HYDROSTIK PRO is included with all of Horizon’s advanced educational kits and can be refilled with the HYDROFILL PRO refueling station.


✔ Stores hydrogen safely in a non-compressed, solid metallic form
✔ Refillable multiple times using HYDROFILL PRO desktop hydrogen station
✔ Can power Horizon fuel cells up to 30W
✔ Compatible with a range of Horizon education products (sold separately)
✔ UPC: 6942503411201

PLEASE NOTE: Due to shipping regulations, the HYDROSTIK PRO is not shipped pre-filled with hydrogen.

What is the Difference Between the HYDROSTIK and HYDROSTIK PRO?

HYDROSTIK and HYDROSTIK PRO are two types of metal hydride cartridge, each with a different metal alloy.  Depending on which alloy is used, there are different implications for performance, characteristics and cost.  Normally, HYDROSTIK and HYDROSTIK PRO store the same amount of hydrogen and have the same capacity (10L of H2).

However, the main technical difference is the charging flow rate of hydrogen.  HYDROSTIK PRO contains a metal hydride that enables it to significantly outperform HYDROSTIK. For this reason, HYDROSTIK PRO is designed for and recommended to the educational market (i.e. 12W fuel cells) which requires higher performance, while HYDROSTIK is designed for portable power which requires a lower power and flow rate.

HYDROFILL was originally designed to charge HYDROSTIK while HYDROFILL PRO was specially designed to afford higher flow rates of Hydrogen for HYDROSTIK PRO.

Horizon HYDROSTIK PRO User Manual

Technical Specifications:

• Hydrogen Capacity: 10 Liters
• Hydrogen Purity: 99.995%
• Cartridge Size: ø 0.86" x 3.46" (22 x 88 mm)
• Weight: 3.7 oz (105 g)
• Storage Material: AB5 metal hydride
• Rated Charging Pressure: 3.0 MPa
• Working Temperature: 0 - 131°F (0 - 55°C)
• Service Life: 10 years

1. How can I refill my HYDROSTIK PRO Metal Hydride Cartridge?
The best way to refill a HYDROSTIK PRO is by using a HYDROFILL PRO or another Horizon Education Kit.  You can also use other Hydrogen outlets by using the Fitting for HydroSTIK.
2. I have inherited unwanted or broken HYDROSTIK PRO Metal Hydride Cartridges, how do I dispose of them?
Contact your local consumer waste recycling center or return the HYDROSTIK PRO to us. Typically, the HYDROSTIK PRO can be recycled where rechargeable batteries are recycled.
3. I have purchased a HYDROSTIK PRO Metal Hydride Cartridge, should I have received a (gas pressure) regulator of any kind with it?
No, regulators are not included as standard you will need to order those as well. Items that are supplied are:
A) HYDROSTIK PRO metal hydride cartridge
B) Horizon-designed adaptor that connects the SWAGELOK connector to the HYDROSTIK PRO
Alternatively you can purchase a HYDROSTIK Pressure Regulator here.
4. Do HYDROSTIK PRO Metal Hydride Cartridges come delivered to you sealed? How are they sealed?
There is a gas tight valve in the cartridge head that doesn't allow for gas to release. This will not be an issue though as the canisters will not contain any gases during delivery.
5. I would like to exchange my cartridge for a different size.
For now Horizon only distributes a single size metal hydride cartridge.
6. Can I take Metal Hydride Cartridge HYDROSTIK PRO abroad?
No more than two spare fuel cell cartridges may be carried by a passenger in carry-on baggage, in checked baggage, or on the person.
7. How many hours of electricity are provided by a HYDROSTIK PRO Metal Hydride Cartridge?
The HYDROSTIK PRO Metal Hydride Cartridges contain up to 11Wh of electricity. So if drawing 1W from the fuel cell, it will run for 11 hours.
8. How can I monitor how much gas is left in a cylinder?
This can be measured by weight, measuring the empty weight gives you the benchmark level and then you can work out the total amount of hydrogen by understanding that 11 Liters of Hydrogen = 1 gram so make sure your scales can work in 1/10th of 1/100th of a gram to get accurate readings. Pressure cannot be used as a measurement of the amount of Hydrogen in the canister as the pressure is almost the same between 10%-90% full.
9. If the HYDROSTIK PRO casing or input valve gets dented or damaged or is leaking is the HYDROSTIK PRO still usable?
No, if the casing is damaged the HYDROSTIK PRO is not safe to use or handle and should be recycled at the proper locations.
10. Can I store HYDROSTIKs in cars parked in full sun?
HYDROSTIK PRO is advised to be stored in maximum 50C temperatures, but cars parked in full sun can reach inside temperatures that exceed 60C. HYDROSTIK PRO is still safe at these temperatures; however we do not recommend storing HYDROSTIKs in such conditions.
11. Where do I recycle a spent or damaged HYDROSTIK PRO?
Contact your local consumer waste recycling center or return the HYDROSTIK PRO to a Horizon Fuel Cell Technologies vendor. Typically, HYDROSTIKs can be recycled where rechargeable batteries are recycled.
Recycle Procedures
The materials in the HYDROSTIK PRO are 100% recyclable, and so in order to get the HYDROSTIK PRO metal hydride cartridges recycled properly, return the cartridges to your local outlet or distributor.
Normal Disposal Procedures
The HYDROSTIK PRO metal hydride cartridges do not contain any dangerous substances for the environment, we would recommend that they still be disposed of in a similar way you would dispose of a standard battery.


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