Bringing powerful simplicity & elite performance  

CTEK, the global leader in vehicle charging solutions, has launched the CS ONE (Gen 2) battery charger, taking the groundbreaking CS ONE even further, with built-in Wi-Fi and a fully redesigned CTEK App – raising the bar for smart charging. Engineered for ultimate simplicity and performance, this next generation unit combines cutting-edge technology with intuitive design to deliver a seamless, connected charging experience like never before.  

With remote access, real-time monitoring and full charge history all delivered through the app, the latest CS ONE model now gives users total control – whether they're across the garage or across the globe.  

The Award-Winning Smart Charger – Now Even Smarter  

Building on the global success of the original CS ONE, the Gen 2 version evolves what was already the world’s smartest charger. It’s designed for drivers, collectors, restorers and professionals who demand more: more precision, more data, more control – with less effort.  

Powerful Simplicity Starts with APTO™  

At the core of the CS ONE is CTEK’s exclusive APTO™ Adaptive Charging technology, which automatically identifies your battery’s chemistry, size, and condition – then delivers a fully optimised charge without the need for buttons, settings or modes.  

Just connect and walk away. The charger does the rest.  

Wi-Fi Enabled, App Enhanced  

With full Wi-Fi and Bluetooth integration, the all-new CTEK App transforms the way you interact with your charger. More than just monitoring, the app becomes your mobile command centre for precision battery care.  

App-connected features include:  

  • Remote monitoring of charging sessions via Wi-Fi  
  • Real-time state of charge updates  
  • View, save and export complete charge histories and session logs  
  • Receive alerts, reminders and live push notifications  
  • Access additional modes: RECOND, WAKE UP, SUPPLY  
  • Automatic over-the-air firmware updates.  

From daily drivers to rare collectibles, the CS ONE ensures your battery is always ready – on your terms.  

Key Features:  

  • Wi-Fi & Bluetooth Connectivity – App-based remote control, data and diagnostics  
  • APTO™ Adaptive Charging – Fully automatic, battery-specific optimisation  
  • Polarity-Free Clamps – Safe, spark-free connections in any orientation  
  • Connect & Forget – Intelligent long-term maintenance mode  
  • Smart Modes On-Demand – Restore, revive or support your battery as needed  
  • 12V Compatibility – Works with all lead-acid and lithium batteries  

Built for Passion, Trusted by Professionals.  

Whether you own one car or a curated garage, the CS ONE is engineered to meet the standards of enthusiasts and experts alike. It’s not just a charger – it’s a fully connected battery care solution that redefines what’s possible.  

Fredrik Uhrbom, President, Consumer Division at CTEK, said:  
“We’ve packed this exciting next generation CS ONE with even more technology that makes smart charging even smarter. With built-in Wi-Fi and our most advanced app yet, users can control, customise and monitor their battery charging experience like never before. It’s truly powerful simplicity in action.”  

Enhance the Experience with the Full CS ONE Ecosystem  

From the rugged CS ONE Bumper to the sleek CS Wall Mount, and the CTEK Adaptor Cable for total CTEK accessory compatibility, every detail has been designed for style, protection and performance.  

Available Now  

The CTEK CS ONE (Gen 2) is available in key markets with full app functionality, live and ready. Visit weblink to explore the next generation of smart charging.  

More like this

Off-Grid Adventures: Managing Power When You're Far From Hook-Ups

More motorhome owners are choosing freedom over sophisticated campsites with all modern conveniences. Wild camping, remote touring and off-grid overnight stays have become increasingly popular ways to enjoy summer travel.

Off-Grid Adventures: Managing Power When You

CTEK CS ONE becomes part of BMW Group aftermarket offering

CTEK expands its portfolio with a new generation of connected battery charging solutions for automotive customers

CTEK CS ONE becomes part of BMW Group aftermarket offering

CTEK at FuelFest UK: the Americans are coming…

Here at CTEK we are beyond excited to be appearing at FuelFest when its World Tour arrives in the UK. FuelFest, the ultimate automotive lifestyle, music and show, is also travelling from its US home to Qatar and Japan. The UK showcase of car culture and motorsports is at Manston Airport in Kent on July 25.

CTEK at FuelFest UK: the Americans are coming…

CTEK Charger Stages: Understanding Them

A charge curve is the sequence of charging stages a charger follows to analyse, charge and maintain a battery. CTEK's intelligent multi-stage charging technology is designed to optimise battery performance, extend battery life and ensure reliable power when you need it most. 

CTEK Charger Stages: Understanding Them

Charging an AGM battery: settings, safety and best practice

AGM batteries benefit from a specific charging profile to efficiently charge, so a battery charger with an AGM mode is a bonus to prolong battery life. This article explains the importance of knowing how to charge AGM batteries, covering why these batteries benefit from a specific charging profile, how to select a charger with an AGM mode and step-by-step instructions for safe charging.

Charging an AGM battery: settings, safety and best practice

CTEK chargers powering APCOA Germany's EV expansion

Exciting times with our parking partner APCOA in Germany, where new CTEK CHARGESTORM CONNECTED 3e (CC3e) chargers are powering the next wave of charging in its car parks.

CTEK chargers powering APCOA Germany