Up to 5 year warranty
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CS ONE (Gen 2) is our most versatile charger, compatible with virtually all 12V batteries across cars, motorcycles, boats, campers, and more. It automatically adapts for optimal safety and performance—making it the safest choice when you’re unsure.
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The CS Series represents CTEK’s most advanced charging technology for drivers and professionals. With adaptive charging and premium design, it sets a new standard for modern battery care — at home or on the move.
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