CTEK is a global leader in battery management solutions, providing premium 12V automotive chargers, maintainers, and electric vehicle charging systems.
CTEK Suècia AB is a world-renowned manufacturer of battery charging solutions, known for maximizing battery performance and longevity. Specializing in the premium segment, CTEK offers a wide range of advanced 12V battery chargers for automotive, marine, and powersports applications. They are also a significant supplier of electric vehicle (EV) charging infrastructure and accessories, such as the portable NJORD GO EV charger.
Their products feature patented technologies including automatic desulfation, reconditioning modes, and safe, spark-free operation tailored for user safety and vehicle electronics protection. Whether for maintaining a classic car stored for winter or daily charging of an electric vehicle, CTEK provides reliable, fully automatic solutions.
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Most standard CTEK chargers are designed for 12V lead-acid batteries, including WET, MF, Ca/Ca, AGM, and GEL. Specific models are available for Lithium (LiFePO4) batteries; always check your charger's manual for compatibility.
Yes, CTEK chargers are designed for long-term maintenance charging. They can be left connected indefinitely to keep the battery fully charged and conditioned without risk of overcharging.
The Recond mode is a special reconditioning program used to recover deeply discharged flooded acid batteries. It is recommended for use once a year or after a deep discharge to restore battery health.
CTEK chargers feature LED indicators that display the charging progress through up to 8 steps. When the indicator for Step 7 (Float Maintenance) is lit, the battery is fully charged.
Yes, CTEK chargers are spark-proof and reverse-polarity protected, making them safe to use on batteries installed in the vehicle without damaging sensitive electronic systems.