The Ctek CT5 Start Stop is a fully automatic battery charger designed for 12V lead-acid batteries in passenger cars. It delivers up to 10.0A maximum current and supports the demanding charging requirements of modern start-stop vehicles.
Delivers up to 10.0A maximum current for fast, efficient charging of 12V vehicle batteries
Fully automatic 8-step charging cycle with desulphation and reconditioning stages
Compatible with all lead-acid battery types including standard, AGM, and EFB start-stop batteries
Integrated maintenance and reconditioning mode keeps batteries in optimal condition during extended periods of inactivity
What makes the CT5 Start Stop different
Unlike basic chargers that only deliver a fixed charge, the CT5 Start Stop monitors battery state throughout the entire process. Its 8-step algorithm adapts to the battery's condition, ensuring safe charging without overloading sensitive start-stop systems.
Ideal for
Owners of modern passenger cars with start-stop technology who need reliable battery maintenance between trips. Also suited for vehicles that sit idle for extended periods, such as weekend cars or seasonal vehicles, where battery drain is a recurring concern.
Application of Ctek CT5 Start Stop
Connect the charger clamps to the battery terminals (positive first, then negative)
Select the appropriate charging mode on the display
The charger automatically detects battery voltage and condition
The 8-step cycle runs unattended until the battery is fully charged and maintained
The CT5 Start Stop is compatible with all 12V lead-acid battery types, including standard flooded batteries, AGM (Absorbent Glass Mat), and EFB (Enhanced Flooded Battery) start-stop batteries.
Yes. The CT5 features a fully automatic 8-step charging cycle with a built-in maintenance and reconditioning mode. Once the battery is fully charged, the charger switches to a safe float/maintenance mode and can remain connected without risk of overcharging.
The charger delivers a maximum current of 10.0A, with a regulated output of 3.8A during the main charging phase, suitable for vehicle batteries ranging from small passenger car batteries to larger start-stop units.
Yes. The CT5 Start Stop is specifically designed for vehicles equipped with start-stop technology. Its charging algorithm is compatible with the sensitive electrical systems found in modern start-stop vehicles.
Delivery includes the Ctek CT5 Start Stop charger unit, battery clamps with cable, and a protective carry bag. A comprehensive instruction manual is also included for safe and correct setup.
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