Advice & Contact

You have questions about our products? Just send us your question via our contact form or give us a call.

Contact form Service requests

Model check

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

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Firmware updates

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

Firmware update

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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Service requests by phone

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

Please contact our service team to arrange an appointment.

Our headquarters in Brunnthal near Munich

Please make an appointment before your visit to Brunnthal. Thank you very much.


SFC Energy AG
Eugen-Sänger-Ring 7, D-85649 Brunnthal
+49 89 673 592 0

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EFOY Newsletter

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