Effortless Power: EFOY Fuel Cell Generators at Fisheries Supply
Built for boaters, DIYers, and yard pros, this page explains how SFC Energy AG’s EFOY fuel cells deliver quiet, automatic battery charging for 12 V and 24 V systems—plus how to choose models and fuel cartridges we stock and ship.
Key Takeaways
- Direct-methanol fuel cells auto-charge batteries; minimal user input.
- Comfort (80/150) fits cruising boats & RVs; Pro 2800 adds higher output.
- Near-silent operation; byproducts are water vapor and trace CO2.
- Compatible with common 12 V/24 V battery banks; integrated charge regulation protects against deep discharge.
- Fuel via sealed EFOY cartridges (e.g., M10); quick, clean swaps.
What is an EFOY fuel cell?
SFC Energy AG (founded 2000; Germany) develops DMFC systems sold under the EFOY brand. These compact units convert methanol into electricity to keep house batteries charged automatically—ideal for sail and power boats, RVs, cabins, and remote sites. Newer generations add features like Bluetooth® monitoring and improved efficiency.
Unlike combustion generators, EFOY units have no belts or alternators to maintain. Operation is quiet, and the only byproducts are water vapor with an insignificant amount of carbon dioxide.
EFOY Comfort Series: Automatic Marine Charging
The Comfort line integrates a charge regulator that monitors state of charge and toggles the unit on/off to maintain batteries and help prevent harmful deep discharging. Compatible with 12 V and 24 V banks.
- Daily charging capacity: up to 80 Ah / day
- Best for: weekending, modest hotel loads
- Banks: 12 V / 24 V
- Daily charging capacity: up to 150 Ah / day
- Best for: longer cruises, larger DC loads
- Banks: 12 V / 24 V
EFOY Pro Series: Higher Output, Modular Options
For higher duty cycles or professional installations, the Pro line scales output and supports modular configurations.
- Energy per day: up to 2,800 Wh / day
- Use cases: extended cruising, surveillance, remote sensors, workboats
- Banks: 12 V / 24 V
- Methanol cartridges with sealed safety lock; quick changeover
- Modular fueling to extend autonomy; combine with additional cartridges or tanks
- Cartridge sizes commonly used on boats: 5 L and 10 L (M10)
Fuel Cartridges & Accessories
Shop sealed EFOY fuel cartridges including the M10 (10 L). The safety lock minimizes handling exposure and enables clean swaps underway.
Get Expert Help
Choosing the right output and autonomy is easier with a quick load review. Contact Fisheries Supply for model sizing, installation accessories, and fuel logistics.
Learn more about Efoy technology
Frequently Asked Questions
What do EFOY fuel cells power on board?
They charge 12 V and 24 V batteries automatically, keeping your DC systems supplied without user intervention.
Do EFOY units produce exhaust or odors?
EFOY methanol fuel cells produce no emissions other than water vapor containing an insignificant amount of carbon dioxide.
How does the Comfort series protect my batteries?
Each unit includes an integrated charge regulator that monitors state of charge and switches the fuel cell on and off to maintain optimal levels and protect against deep discharging.
Which Comfort models are offered and what are their daily capacities?
Comfort 80 provides up to 80 Ah/day; Comfort 150 provides up to 150 Ah/day.
What distinguishes the Pro 2800?
The EFOY Pro 2800 is a higher-output model delivering up to 2,800 Wh/day for larger or professional applications.
Which fuel cartridges are available?
EFOY cartridges, including the M10 (10 L), use a sealed safety-lock design and are available alongside generators and accessories.