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EN

EN • 7

STEP 1 WAKE UP 

Read section about batteries with “under voltage protection” on previous page.

STEP 2 ACCEPT 

Tests if the battery can accept charge. This step prevents that charging proceeds  

with a defect battery.

STEP 3 BULK

 

Charging with maximum current until approximately 90% battery capacity.

STEP 4 ABSORPTION

 

Charging with declining current to maximize up to 100% battery capacity.

STEP 5 ANALYZE

 

Tests if the battery can hold charge. Batteries that can not hold charge may need to be 

replaced.

STEP 6

 

Not applicable.

STEP 7 FLOAT

 

Maintaining the battery voltage at maximum level by providing a constant voltage charge.

STEP 8 PULSE

 

Maintaining the battery at 95–100% capacity. The charger monitors the battery voltage 

and gives a pulse to keep the battery fully charged.

LITHIUM

1

2

3

4

5

6

7

8

14.4V

Max

14.2V/1.0A

Max

14.2V/2.3A

Max 14.2V

Voltage limit

12.0V

Max

13.3V/2.3A

Max

13.8V/2.3A

Pulse start at 13.2V.

Pulse stop at 1.1A or 

at time limit.

Time limit:

5 minutes

30 minutes

20h

4h

3 minutes

10 days

Max 1h pulse. 

Auto pulse every 

10 days

READY TO USE 

The table shows the estimated time for empty battery to 80% charge.

BATTERY SIZE (Ah)

TIME TO 80% CHARGED

5Ah

2h

10Ah

4h

15Ah

6h

20Ah

7h

25Ah

9h

Summary of Contents for 1087

Page 1: ...ndicate 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 LITHIUM NORMAL NORMAL BATTERY PROGRAM ERROR LAMP RECOND OPTION FULLY CHARGED LITHIUM BATTERY PROGRAM POWER LAMP MODE BUTTON 3 Press the MODE button to select charging...

Page 2: ... 10Ah 4h 15Ah 6h 20Ah 7h 25Ah 9h POWER LAMP If the power lamp is lit with a 1 STEADY LIGHT The mains cable is connected to the wall socket 2 FLASHING LIGHT The charger has entered the energy save mode This happens if the charger can t detect a battery in 2 minutes ERROR LAMP If the error lamp is lit check the following 1 Polarity error Is the charger s positive lead connected to the positive charg...

Page 3: ...ed STEP 6 RECOND Choose the Recond program to add the Recond step to the charging process During the Recond step voltage increases to create controlled gassing in the battery Gassing mixes the battery acid and gives back energy to the battery STEP 7 FLOAT Maintaining the battery voltage at maximum level by providing a constant voltage charge STEP 8 PULSE Maintaining the battery at 95 100 capacity ...

Page 4: ...VP During the wake up period the LED CHECK will flash until the charge program is started and the LED CHECK is lit with a steady light If the manual wake up is unsuccessful the power LED will start to flash after latest 10 minutes Disconnect any parallel loads from the battery and try again If the charging does not start after that the battery may need to be replaced POWER LAMP If the power lamp i...

Page 5: ...d STEP 6 Not applicable STEP 7 FLOAT Maintaining the battery voltage at maximum level by providing a constant voltage charge STEP 8 PULSE Maintaining the battery at 95 100 capacity The charger monitors the battery voltage and gives a pulse to keep the battery fully charged LITHIUM 1 2 3 4 5 6 7 8 14 4V Max 14 2V 1 0A Max 14 2V 2 3A Max 14 2V Voltage limit 12 0V Max 13 3V 2 3A Max 13 8V 2 3A Pulse ...

Page 6: ... to the battery CTEK battery chargers produce very clean voltage and current with low ripple LIMITED WARRANTY CTEK SWEDEN AB issues this limited warranty to the original purchaser of this product This limited warranty is not transferable The warranty applies to manufacturing faults and material defects for 5 years from the date of purchase The customer must return the product together with the rec...

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