CTEK CS One: Smart car battery charger

Just in time for the start of the cold season, the Swedish manufacturer CTEK is launching a new car battery charger: the CTEK CS One. Above all, it should score with its ease of use, because the charger has polarity-free terminals. Accordingly, it can no longer happen that the cables are accidentally connected the wrong way round and the battery is damaged. In addition recognizes the CTEK CS One automatically the battery type and adjusts the charging program accordingly – so the charger is particularly easy to use, even for laypeople. It does not matter whether the device is used to charge a weakened battery or to maintain the charge on a mothballed classic car, for example.


CS One
  • Adaptive loading
  • Polarity-free terminals
  • App control

price € 229.00

CTEK CS One with various loading programs

In addition to simply charging the car battery, the CTEK CS One also one Refresh function for lithium-ion batteries with undervoltage protection or deeply discharged lead-acid batteries as well as a Reconditioning program for lead-acid batteries. Both can be done via the associated CTEK app control, which also offers deeper monitoring of the voltage and strength of the charger. In addition, the charger can also be plugged into a 12V power source transform. That is suitable Car battery charger basically for all 12V lithium-ion and lead-acid batteries. The charger is now available in stores at a price of around 230 euros. If you are looking for a cheaper alternative, you will find the AUTO BILD car battery charger test find out which devices are really good.

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