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🔋 Charge smarter, drive further — never get stranded again!
The CTEK CS ONE is a cutting-edge 12V smart battery charger designed for cars and motorcycles. Featuring Adaptive Charging Technology, polarity-free clamps, and app control, it customizes charging to battery type and condition. With reconditioning and wake-up modes, it extends battery life and reliability. Its rugged design and 5-year warranty make it a trusted companion for long-term vehicle maintenance.











| ASIN | B09KS9T7DG |
| Battery Charge Time | 1 Hours |
| Best Sellers Rank | #3,773 in Automotive ( See Top 100 in Automotive ) #17 in Battery Chargers |
| Brand | CTEK |
| Built-In Media | Battery Charger |
| Color | Black |
| Colour | Black |
| Connector Type Used on Cable | Alligator Clamps |
| Country of Origin | Sweden |
| Current Rating | 8 Amps |
| Customer Reviews | 4.2 out of 5 stars 81 Reviews |
| EU Spare Part Availability Duration | 5 Years |
| Input Voltage | 12 Volts |
| Item Dimensions D x W x H | 23.5D x 5.2W x 8.8H centimeters |
| Item Type Name | Advanced Car Battery Charger |
| Item Weight | 941 Grams |
| Item weight | 941 Grams |
| Manufacturer | CTEK |
| Mfr Part Number | 40-331 |
| Model Number | 40-331 |
| Output Voltage | 12 Volts |
| Output voltage | 12 Volts |
| Product dimensions | 23.5D x 5.2W x 8.8H centimeters |
| Specification Met | cs |
| Specification met | cs |
| Unit Count | 1 Count |
| Warranty Description | 5 |
A**Y
Highly recommend
This product is a state of art I tried with my car with several modes from mobile app its amazing
M**P
Super charger
This is a great charger Ideal for both lead acid and lithium batteries Polarity is either way for general use Very good Bluetooth Easy setup Couldn’t be without it
B**R
يشحن على اي قابس موجب او سالب
سمبتيك 😆
G**N
Perfect, no skills needed
Fantastic charger. No skill needed. Connect and turn on, it does it all for you.
K**A
Impressive
It has Bluetooth, and it charges pretty good. The charger is rather flimsy and the charging cords are not heavy duty. Kind of like going into Ikea store... They promote it's the world's best and all the hype... Etc.. But end of the day it's just a charger. But it's a good quality charger. That's about it.
S**G
الجهاز سيء، رديء، بطيء، و التطبيق فاشل الى أبعد حد
خلوكم على شواحن CTEK القديمة افضل مثل MXS 10 وغيره سافرت للعمل لمدة سنة، وطلبت شخص من العائلة يروح يتأكد من التطبيق ومرحلة الشحن لكن التطبيق ما يقبل الاتصال بالجوال عن طريق البلوتوث مع انه كان يتصل اول بدون اي مشاكل والشخص عنده التطبيق ومعلومات الحساب. المشكلة ان السيارة مخزنه تحت غطاء حماية وصعب انك تشيل الغطاء عشان تتأكد من الجهاز والبطارية وحالة الشحن
Trustpilot
1 week ago
2 weeks ago