CTEK CS ONE (Gen 2) with Wi-Fi, 12V Smart Battery Charger and Maintainer with App Control, Remote Monitoring, Adaptive Charging, and Polarity Free Clamps for Car & Motorcycle

The next generation of smart charging: an enhanced, award-winning design now with Wi-Fi for complete remote control via the CTEK App

Total App Control with Wi-Fi & Bluetooth: Monitor charging in real-time, view detailed history, and get notifications so you never miss a charge

Adaptive charging technology (APTO): Automatically recognises battery type, size, and health and delivers a fully customised program for any 12V lead-acid or lithium (LiFePO₄) battery

Powerful Simplicity: No buttons or modes to select. The polarity-free, spark-free clamps can be connected to either terminal for safe, error-proof operation

Advanced Battery Care via the App: Unlock RECOND to restore lead-acid batteries, WAKE UP for deeply discharged batteries, and SUPPLY to provide power during service

Clear Countdown Indicator: Always know when your battery is ready to start and see exactly how long until it's fully charged

Ambient Temperature Compensation: Automatically adjusts output voltage in hot or cold conditions for a faster, safer charge

Premium Swedish design & build quality: Sleek, modern, and durable – backed by CTEK’s industry-leading 5-year warranty.