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.
Helpful pages
Practical for those batteries that are difficult to access. Shows the battery’s charge level simply and clearly. It comes with a 2-year warranty.
Indicator is the easiest way to monitor the charge in your battery. An accurate reading for your battery is displayed two hours after you’ve used your vehicle.
;*;Red: means the battery charge is below 12.4 V. It’s definitely time to charge the battery.;*;Yellow: means the battery charge is between 12.4 and 12.65 V. It’s time to start thinking about charging the battery.;*;Green: means the battery charge is more than 12.65 V. OK! No need for charging.
| Cable length | m |
|---|---|
| Warranty | 2 years |
| Warranty information | CTEK issues a limited warranty to the original purchaser of the product. Depending on the product, the limited warranty period will vary. The limited warranty is not transferable. The warranty applies to manufacturing faults and material defects. The warranty is void if the product has been handled carelessly or repaired by anyone other than CTEK or its authorized representatives. CTEK makes no warranty other than this limited warranty and is not liable for any other costs other than those mentioned above, i.e. no consequential damages. Moreover, CTEK is not obligated to any other warranty other than this warranty. |
Eyelet connection
Durable
Compatible with all 12V lead-acid batteries, and with CTEK chargers up to 10A
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