CTEK START/STOP Battery Charger & Maintainer

Key Features and Functions

The CTEK Start/Stop is a battery charger and maintainer designed for various 12V lead-acid batteries, including WET, MF, Ca/Ca, GEL, and is optimized for AGM and EFB batteries. It offers safe, fast charging, battery testing, and maintenance for maximum battery performance and lifetime.

Key Functions:

• Desulfation (STUFE 1): Detects and removes sulfates from battery plates to restore capacity.
• Soft Start (STUFE 2): Checks if the battery can accept a charge, preventing charging of faulty batteries.
• Bulk (STUFE 3): Charges the battery to approximately 80% capacity at maximum current.
• Absorption (STUFE 4): Charges the battery from 80% to 100% capacity with decreasing current.
• Analyze (STUFE 5): Tests if the battery can hold a charge; batteries that cannot hold a charge may need replacement.
• Float (STUFE 6): Maintains the battery at its maximum voltage by applying a constant voltage.
• Pulse (STUFE 7): Maintains battery capacity at 95-100% by providing charge pulses as needed.

Indicator Lights:

• Error Lamp (Fehlerleuchte): Indicates an error condition.
• Power Lamp (Netzleuchte): Indicates the charger is connected to the mains power.

Technical Specifications

*Back current drain is the current that drains the battery if the charger is not connected to the mains. CTEK chargers have a very low back current.

Limited Warranty

CTEK SWEDEN AB provides this limited warranty to the original purchaser of the product. The warranty covers manufacturing faults and material defects. The customer must return the product with the receipt of purchase to the point of purchase. This warranty is void if the charger has been opened, handled carelessly, or repaired by anyone other than CTEK SWEDEN AB or its authorized representatives. CTEK SWEDEN AB is not liable for any other costs beyond those mentioned, such as consequential damages. CTEK SWEDEN AB is not obligated to any other warranty beyond this limited warranty.

Support

For support, FAQ, the latest revised manual, and more information about CTEK products, please visit: www.ctek.com.

Usage Instructions

Refer to the diagrams for connection and charging stages:

1. Connection: Connect the positive (+) terminal of the charger to the positive terminal of the battery, and the negative (-) terminal of the charger to the negative terminal of the battery. Ensure correct polarity.
2. Charging Stages: The charger automatically selects the appropriate charging stage based on the battery's condition. The stages include Desulfation, Soft Start, Bulk, Absorption, Analyze, Float, and Pulse.
3. Safety: Always read the safety instructions before use. Ensure the charger is used in a well-ventilated area.