Customer support


Welcome to CTEK and thank you for being a valued customer.

We are here to help and in this section you will find FAQs, troubleshooting, warranty information and video tutorials. If you can’t find what you are looking for, please contact us. For fastest response please write to us in English.

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Top 10 FAQ

  • CTX BATTERY SENSE: Battery Sense Software update
    See answer

    12th July Issues have been reported with the latest update on our Battery sense app – our developers are currently working hard to rectify the issue. In the mean time we have taken the decision to roll back to the previous version of the app, We have been assured this will happen over the next few days - iOS first then Android to follow.

  • CT5 POWERSPORT: Can I charge my gel or AGM battery with POWERSPORT?
    See answer

    Yes. If your charger has an AGM mode, select this and if not, use Normal mode.

  • Charger functions, MXS 5.0 TEST&CHARGE: I have a CTEK charger. It used to work well, but now nothing happens when I press the mode button. I can't change between the "MC", "CAR” and "SNOWFLAKE” modes. What can I do?
    See answer

    If you can't change the charging mode by pressing the mode button regardless of which battery you are trying to charge, the charger is probably faulty. If you still have the warranty, I recommend you go to your dealer with the charger, the receipt and a completed warranty claim form.

  • PRO60: What is the warranty?
    See answer

    CTEK standard 2 year warranty for pro product.

  • D250SA: How do I activate the AGM setting?
    See answer

    The D250SA has a wiring harness with a black and a red wire, the black wire must be earthed / grounded to change the charging voltage for AGM.

  • D250SA: D250SA indicates error, what does it mean?
    See answer

    Please refer to the manual "D250SA fault indications" for explantion of light sequence.

  • SMARTPASS 120: Can the starter battery and the service battery be different types of battery?
    See answer

    Yes, (lead acid)

  • CT5 TIME TO GO: If I choose Recond, how do I know when it's finished?
    See answer

    When the charger is in "Care" mode it also means that the reconditioning is complete. Reconditioning is activated by pressing the Mode button and selecting "Recond".

  • Charger functions, Batteries, PRO25S: Will my PRO25S charge AGM batteries?
    See answer

    Yes, it charges all lead-acid type batteries in normal mode.

  • MXT 4.0, MXT 14: is flashing, then turns
    See answer

    Explanation: The battery is probably too sulphated to revive. The battery is faulty and it is time to change it.