Exchange your old fuel cell for the best EFOY of all time!

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Return form

You want to return your EFOY product to us? Simply fill out our return form and we will contact you after checking the data.

Do you have a general enquiry about our products? Then please use our contact form.

Personal information


Accessories *

Please send us only the defective unit WITHOUT accessories. Please send accessories only if the accessories themselves are defective or if they are related to the failure of the unit. In all cases, please select the accessories you are sending from the list below. We shall only be liable in the event of intent or gross negligence for accessories not specified on the form.

  • No accessories
  • Off-heat flange
  • Exhaust hose
  • Bluetooth adapter
  • Display
  • Display data cable
  • Off-heat bow
  • Power cable
  • Sense cable
  • M28 adapter
  • Mounting plate
  • Port doubler
  • GSM modem
  • Cluster controller
  • Fuel cartridge sensor


I accept the conditions for complaints *
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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