CTEK CS ONE GEN 2 Smart 12V Battery Charger with Wi-Fi & Bluetooth
CTEK CS ONE GEN 2 Smart 12V Battery Charger with Wi-Fi & Bluetooth
SKU:40-702
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The CTEK CS ONE GEN 2 is an intelligent 12V battery charger designed for vehicle owners and enthusiasts who want advanced battery care with minimal setup.
At the heart of the CS ONE is CTEK's APTO™ adaptive charging technology, which automatically assesses the battery and adjusts the charging process accordingly. The polarity-free design means the supplied clamps can be connected to either charging point, removing the need to identify positive and negative connection points before charging.
The Gen 2 CS ONE adds Wi-Fi and Bluetooth connectivity to the CTEK App, providing access to additional charging functions and battery information. The app allows users to monitor charging sessions, view charging history and activity, set reminders and receive notifications relating to errors and updates.
Additional functions available through the connected system include RECOND for lead-acid battery reconditioning, WAKE UP for recovering deeply discharged lead-acid batteries and certain lithium batteries with under-voltage protection, and SUPPLY mode for supporting vehicle electrical power during servicing and battery replacement.
With automatic temperature compensation, connect-and-forget operation and a 5-year warranty, the CS ONE GEN 2 provides a comprehensive solution for maintaining compatible 12V batteries.
Key Features
- APTO™ adaptive charging technology
- Automatically adapts charging to compatible 12V batteries
- Supports 12V batteries including lithium
- Polarity-free charging clamps
- Clamps can be connected to either charging point
- Connect-and-forget operation
- Wi-Fi and Bluetooth connectivity
- CTEK App compatibility
- RECOND programme for lead-acid batteries
- WAKE UP function for deeply discharged batteries
- WAKE UP function for compatible lithium batteries with under-voltage protection
- SUPPLY programme for vehicle servicing and battery replacement
- Charging session monitoring
- Detailed charging history and activity log
- Custom charging reminders
- Automatic notifications for errors and updates
- Automatic temperature compensation
- 5-year warranty
Specifications
| Specification | Details |
|---|---|
| Brand | CTEK |
| Model | CS ONE GEN 2 |
| Product Type | Smart battery charger |
| Battery System | 12V |
| Charging Technology | APTO™ adaptive charging |
| Battery Compatibility | 12V batteries including lithium |
| Connection System | Polarity-free clamps |
| Connectivity | Wi-Fi and Bluetooth |
| App | CTEK App |
| RECOND | Yes |
| WAKE UP | Yes |
| SUPPLY | Yes |
| Temperature Compensation | Automatic |
| Charging Monitoring | Yes, via CTEK App |
| Warranty | 5 years |
| Manufacturer Part Number / SKU | 40-702 |
Compatibility / Applications
The CS ONE GEN 2 is designed for compatible 12V vehicle batteries, including lithium batteries.
Its functions make it suitable for:
- Routine battery charging
- Battery maintenance
- Lead-acid battery reconditioning
- Recovery of deeply discharged batteries
- Compatible lithium battery wake-up
- Vehicle servicing
- Supporting vehicle electrical power during battery replacement or removal
- Long-term maintenance charging
Important: The supplied information confirms compatibility with 12V batteries including lithium, but does not provide the complete battery capacity range or detailed lithium chemistry requirements. Customers should confirm battery compatibility before use.
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