Advice & Contact

You have questions about our products? Just send us your question via our contact form.
We look forward to your message.

Contact form

Model check

We’ll help you choose the right EFOY fuel cell model and lithium battery.

To the model check

Firmware updates

We are constantly working on improving our products and offer you free firmware updates.

Firmware update

Service requests

Service Center Brunnthal
Mon – Th 09:00 – 17:00 hrs,
Fri 09:00 – 14:00.

Please contact our service team to arrange an appointment.
Contact form.

Service request
about your product

Do you have a specific question about your product or would you like to send it to our technical service? Then simply fill out our service request form.

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Our headquarters in Brunnthal near Munich

Due to the current Corona situation, we ask you to visit us only after prior appointment.

SFC Energy AG
Eugen-Sänger-Ring 7, 85649 Brunnthal

Route planner

Dear SFC customer,

our technical service can currently only be reached via our contact form.

Thank you for your understanding!

Contact form


Yes, I have read the data protection declaration and agree that the data provided by me may be collected and stored electronically. My data will be used strictly for the purpose of processing and responding to my request. With the submission of this form, I agree to the processing.

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EFOY Newsletter

You will always be up-to-date with the EFOY Newsletter. Subscribe now and be the first to know when there is any news!

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