CTEK 1087 User Manual

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MANUAL
CONGRATULATIONS
to the purchase of your new professional switch mode battery charger. This charger is
included in a series of professional chargers from CTEK SWEDEN AB and represents the
latest technology in battery charging.
Read safety instruction
HOW TO CHARGE
1. Connect the charger to the battery.
For batteries mounted inside a vehicle
1. Connect the charger according to the
vehicles manual.
2. Connect the charger to the wall socket.
3. Disconnect the charger from the wall socket
before disconnecting the battery.
4. Disconnect the black clamp before the red
clamp.
1 2
2. Connect the charger to the wall socket. The power lamp will indicate that the mains
cable is connected to the wall socket. The power lamp will blink if the battery clamps
are incorrectly connected. The reverse polarity protection will ensure that the battery or
charger will not be damaged.
RECOND LITHIUMNORMAL
NORMAL
BATTERY
PROGRAM
ERROR LAMP
RECOND
OPTION
FULLY CHARGED
LITHIUM
BATTERY
PROGRAM
POWER LAMP
MODE BUTTON
3. Press the MODE-button to select charging program.
NORMAL BATTERY PROGRAM LITHIUM BATTERY PROGRAM
Continue to press the MODE-button to combine charging program with charging options.
RECOND OPTION
Press the MODE-button several times until the desired combination of charging program
and options are lit.
4. Follow the display through the charging process.
The battery is fully charged when the CARE lamp is lit.
5. Stop charging at any time by disconnecting the mains cable from the wall socket.

CTEK 1087 Specifications

General

Model	CTEK 1087
Type	Battery Charger
Input Voltage	100-240V AC
Ambient temperature	-20°C to +50°C
Protection class	IP65
Battery Types	12V Lead-acid batteries (Wet, MF, AGM, GEL)
Protection Features	Short circuit, Reverse polarity
Input	50–60 Hz
Output	DC
Ripple	Less than 4%
Battery Capacity Range	1.2-30Ah
Charging Stages	8-step charging program

Summary

Congratulations and Introduction

Safety Instructions

Read and follow essential safety instructions before use.

How to Charge a Battery

Connecting the Charger

Steps for connecting the charger to the battery and wall socket.

Battery Installation Considerations

Specific connection steps for batteries mounted inside a vehicle.

Selecting Charging Programs

Use the MODE-button to select Normal, Lithium, or Recond programs.

Monitoring Charging Process

Follow the display and indicator lamps for charging status.

Lead-Acid Battery Charging

Normal Battery Program

Standard 14.4V/2.3A program for lead-acid batteries.

Recond Option

Program to restore WET and Ca/Ca batteries (15.8V/0.9A).

Estimated Charging Times

Time to reach 80% charge for various lead-acid battery sizes.

Power Lamp Indicators

Meaning of steady and flashing power lamp lights.

Error Lamp Diagnostics

Troubleshooting common errors indicated by the error lamp.

Lead-Acid Charging Steps

Step 1: Desulphation

Removes sulphate from lead plates using pulsing current and voltage.

Step 2: Soft Start

Tests the battery's ability to accept charge.

Step 3: Bulk Charging

Charges at maximum current until approximately 80% capacity.

Step 4: Absorption Charging

Charges with declining current to reach 100% capacity.

Step 5: Analyze

Tests if the battery can hold charge.

Step 6: Recond

Increases voltage for controlled gassing to mix battery acid.

Step 7: Float Charging

Maintains battery voltage with a constant charge.

Step 8: Pulse Maintenance

Maintains 95-100% capacity with pulsed charging.

Lithium Battery Charging

Lithium Battery Program

Specific 14.2V/2.3A program for Lithium batteries.

Under Voltage Protection (UVP)

Methods to wake up Lithium batteries with UVP.

Power Lamp Indicators

Meaning of steady and flashing power lamp lights.

Error Lamp Diagnostics

Troubleshooting common errors for Lithium batteries.

Lithium Charging Steps

Step 1: Wake Up

Procedure for batteries with under voltage protection.

Step 2: Accept

Tests if the battery can accept charge.

Step 3: Bulk Charging

Charges at maximum current until approximately 90% capacity.

Step 4: Absorption Charging

Charges with declining current to reach 100% capacity.

Step 5: Analyze

Tests if the battery can hold charge.

Step 6: Not Applicable

Indicates that Step 6 is not used for Lithium charging.

Step 7: Float Charging

Maintains battery voltage with a constant charge.

Step 8: Pulse Maintenance

Maintains 95-100% capacity with pulsed charging.

Estimated Charging Times

Time to reach 80% charge for various battery sizes.

Technical Specifications

Model and Ratings

Details on model number, voltage, and current ratings.

Charging Parameters

Information on charging voltage, current, and drain.

Environmental and Type

Ambient temperature, charger type, and battery compatibility.

Physical Characteristics

Dimensions, insulation class, and weight of the charger.

Limited Warranty and Support

Limited Warranty Terms

Details on warranty duration, coverage, and void conditions.

Customer Support Information

Contact details for support, manuals, and inquiries.