🔋 CTEK CS ONE – The Most Advanced Battery Charger in the World 

Part Number:40-333

The CTEK CS ONE features revolutionary APTO™ (Adaptive Charging) technology that automatically detects the type, size, and condition of your 12V battery (lead-acid or lithium LiFePO₄) and delivers the optimal charge – safely, quickly, and effortlessly.

Key Features:

⚙️ APTO™ Technology – adapts to any 12V battery for intelligent charging

🔀 Polarity-Free Clamps – connect to either terminal; the charger identifies positive and negative automatically

⏱️ Countdown Display – shows how long until your battery can restart and be fully charged

🌡️ Automatic Temperature Compensation – adjusts charging voltage based on ambient temperature

📱 CTEK App Compatible (Bluetooth):

RECOND – restores deeply discharged batteries

WAKE UP – revives lithium batteries with under-voltage protection

SUPPLY – turns the CS ONE into a stable 12V power supply

Technical Specifications:

🔋 Battery Capacity: 3–180 Ah

⚡ Output: 12V, 8A

📡 Connectivity: Bluetooth LE 5.1

🌡️ Operating Temperature: -30°C to +50°C

💧 Protection Rating: IP65 (dust and splash proof)

📏 Dimensions: 235 x 88 x 52 mm

⚖️ Weight: 675 g

🔌 Cable Lengths: Input – 1.4 m | Output – 2 m

Optional Accessories:

CS Bumper – protective silicone case

CS Wall Mount – secure wall bracket

CS Connect Adapter Cable – for compatibility with other CTEK accessories

CS U-Terminal – permanent battery connection

📬 Postage Information:

We recommend monitoring your tracking closely, as Australia Post does not always leave a card if no one is in attendance. If no one is available to accept a Signature on Delivery item, it will be taken to your local Post Office for collection.

To stay up to date with your delivery, we suggest downloading the free AusPost app — it provides real-time tracking updates, notifications, and reassurance that all info comes directly from Australia Post.

🖼️ *All pictures shown are for illustration purposes only. The actual colours may vary from those shown depending on the device you are using to view the product or the angle of the item is photographed. Actual products may vary due to product enhancements or updates. The listing should be referred to for the description of the product, any questions should be asked prior to purchase.