Up to 5 year warranty
Contact Support
Having questions about our products, our services?
CTEK Magazine
News, Inspiration, How-To's, Case Studies and more
Your shopping cart is empty.
Your favorites are empty.
RECOMMENDED
Find a product in three steps
Choose your primary vehicle type
Select one or more options
Choose your battery type
Choose the option that best fits your needs
What will the charger be used for?
Our choices for you based on your answers
No exact match — meet our smart all‑round solution
To make sure it’s right for you, select product to learn more.
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.
Select market:
Select language:
Helpful pages
Sort by:
Join thousands of satisfied customers worldwide
