
Best selling Car battery accessories from Ctek
On this page you’ll find a ranking of the best Car battery accessories from Ctek. To give you a quick overview, we’ve added the most important product details. This page always stays fresh and updates automatically.
1. Ctek CS One adapter cable
CTEK CS One Cable Adapter 1.7 m CS Connect Adapter Cable
Connect your CS One charger to all CTEK Connect and Indicator accessories with this CS Connect Adapter Cable. The CS One charger easily connects to all CTEK accessories of the Connect and Indicator type. With the 1.7 m long CS Connect Adapter Cable, CS chargers can be connected to CTEK accessories of the Connect and Indicator type for increased functionality.
Robust and durable. Connect your CS One charger to all CTEK Connect and Indicator accessories. The CS Connect Adapter Cable allows CS One chargers to be connected to CTEK Connect and Indicator accessories. This means more versatile application possibilities, as well as increased safety, simplicity, and functionality.
The device was developed and tested in Sweden. The high-quality U-clamps and wear-resistant cables are flexible, durable, and long-lasting.
Technical specifications:
- Cable length: 1.7 m
- Connection A: Male connector
- Connection B: Connect CS One
- Warranty: 2 years.

2. Ctek NXT 5
The CTEK NXT 5 is a 12V 5A battery charger designed for the reliable charging and maintenance of lead-acid batteries, including AGM, EFB, and GEL types. This compact charger measures approximately 18 cm in length, 7 cm in width, and 4 cm in height, weighing around 400 g for easy portability and storage. It features a microprocessor-controlled charging process with eight different stages: desulfation, soft start, bulk charge, absorption charge, analysis, reconditioning, maintenance charge, and pulse maintenance charge. The device operates in a temperature range of -20°C to +50°C and offers reverse polarity protection, short circuit protection, and over-temperature protection for safe operation. With its IP65-rated housing, the charger is dust-tight and protected against low-pressure water jets from all directions. The NXT 5 is suitable for batteries with capacities ranging from 1.2 Ah to 160 Ah, making it versatile for motorcycles, cars, boats, and other recreational vehicles. It includes a 1.5 m power cable and a 1.2 m battery connection cable with eyelet connectors and a secured connection for safe installation. The charger’s LED indicators provide clear status information about the charging process, and its automatic voltage detection ensures compatibility with 12V systems. This model is the successor to previous CTEK chargers and incorporates refined charging algorithms for optimal battery health and longevity. The device meets CE certification requirements and is designed for both occasional and regular use to maintain batteries during storage periods and prevent sulfation and capacity loss. Its robust construction and precise electronic control make it a reliable choice for battery maintenance in various environments, from private garages to professional workshops.

3. Ctek Extension cable 2.5m
CTEK CC Extension Cable 2.5 m Ext Comfort Connect extension 2.5
The Connect Extension Cable is the convenient and safe solution when you need a greater distance between the CTEK charger and the battery or vehicle. Simply connect the 2.5 m cable to the accessory socket of your charger and attach the other end to the corresponding socket on the accessory. With this robust and durable extension cable, CTEK chargers can be positioned further away from the battery or vehicle.
Safe: Featuring CTEK's unique Connect system, which allows for quick and secure connections of CTEK chargers. Durable: Developed and tested in Sweden. The tough cables are flexible, durable, and long-lasting. Extension cable (2.5 m), compatible with current CTEK chargers up to 10 A.
Technical specifications:
Cable length: 2.5 m
Warranty: 2 years.

4. Ctek Comfort Connect Eyelet M8
A practical quick connector for batteries that are hard to reach or hidden. The eyelet terminals are mounted on the battery, allowing for an easy connection without the operator needing to actually access the battery. Comfort Connect – Eyelet is available in three different sizes for various battery terminal sizes.

Ctek Comfort Connect Eyelet M8
5. Ctek PRO 12V Battery Tester
With the CTEK PRO Battery Tester featuring an integrated printer, determining and documenting the current condition of the battery and electrical system has never been easier. The PRO Battery Tester performs simple and accurate battery or system tests in seconds—without heating, sparking, or requiring interpretation by the user. The results can then be printed and immediately reviewed with customers to decide on additional preventive maintenance measures and service routines.

6. Ctek Bumper 60
Protective cover for car chargers. It protects the charger and the car's paint. The rubber cover simply slips over the charger, providing protection against scratches on the vehicle's paint and the charger housing.
Technical specifications:
Contents: 1 piece
Compatible with:
- Automatic charger MXS 3.8
- Automatic charger MXS 5.0
- Automatic charger 12 V Zafir 90
- Automatic charger MXS 3.6
- Automatic charger MXS 5.0
- Automatic charger Multi XS 4003
- Automatic charger MXS 5.0 Test
- Automatic charger MXS 5.0 Polar
- Automatic charger MXS 5.0 Polar with charging indicator.

7. Ctek Comfort Indicator Cig Plug
The Comfort Indicator Cig Plug is a combination of a quick connector and a display device for easy charging. It is perfect for checking the charge status and for charging the battery via the vehicle's 12 V socket. The plug is compatible with all 12 V chargers from Ctek with up to 7 A power and is a universal device for 12 mm and 21 mm sockets. Note: The socket must be powered, even when the ignition switch is turned off.

8. Ctek Bumper 120
Protects your Ctek charger from bumps and scratches. Provides additional grip on slippery surfaces. Made of durable silicone rubber, the Ctek Bumper 120 fits exactly over the housing of your Ctek charger. Suitable for all Ctek chargers from 10 Ah.

9. Ctek Rubber shock protection for 14+25 chargers
CTEK Rubber Protection for Chargers 14+25 Bumper 300
The CTEK Bumper protects your CTEK charger and your vehicle from bumps and scratches. The bumper is made of durable silicone rubber, fits snugly over the casing of your charger, and provides extra grip on slippery surfaces. It comes with a 2-year warranty. Durable silicone rubber protection for larger chargers with more than 10 A. Suitable for use with all CTEK chargers with 300 W, PRO25S, PRO25SE, MXT14, PRO15, M15, M25.

10. Ctek Cs Storage Case
CTEK protective carrying case for CS ONE/FREE Carry Case
Your charger is always with you in this practical, lightweight and padded bag. Carry and store your battery charger safely and securely. The CS Storage Case is robust, durable and lightweight. It protects your battery charger from the elements wherever you go. Designed and tested in Sweden, the storage case is made from tough, water-repellent 600D nylon and features internal padding and a convenient carry handle. The smooth-running metal zip allows quick access to your battery charger at all times.
Technical data:
- Material: nylon and PU coating, water-repellent
- Dimensions (L x W x H): 11.4 x 7.9 x 3.5 in
- Dimensions (L x W x H): 290 x 200 x 90 mm
- Net weight: 0.3 kg
- Net weight: 0.66 lbs
