ANSMANN ALCT 6/24-10 Instruction Manual Download Page 6

6. „REFRESH“ will automatically start when the battery is fully exhausted.

If the battery is completely discharged, i.e. the voltage is much lower than the nominal battery voltage such as: below 5V for 
a 6V battery, below 10V for 12V battery and below 20V for a 24V battery, the charger automatically switches to refresh mode 
(see fig.1f) and charges the battery by pulse charging until a sufficient voltage for the normal charging process has been 
reached. The charging current for further charging after the completion of the refresh mode can be further selected.

7. „FAULT“ will be displayed when the battery is deemed defective

In the case of a defective battery the „FAULT“ LED (see fig.1g) is on. The charging stops. Unplug the power cord and disconnect 
the battery. We recommend that you check the battery and replace as required.

8. „BATTERY STATUS“ displays the charge status (see fig.1h)

Using the 3 LEDs (35%, 70%, 100%) you can see the current charge level of the battery:
35% LED flashes 

 

 

battery charge level is between 0% and 35%

35% LED lights, 70% LED flashes   

battery charge level is between 36% and 70%

35%  and 70% LEDs light, 100% LED flashes  battery charge level is between 71% and 100%
35%, 70% and 100% LEDs all light   

battery is fully charged

9. Battery fully charged

Once the battery is fully charged, unplug the mains cord and afterwards remove the battery terminals of the battery, first the 
black terminal (-) and then the red (+) terminal.

10. Trickle charge

Alternatively, the battery can be left connected for an extended period (e.g. for the winter). The charger detects any loss of 
capacity and recharges automatically.

11. Automatic start function support

The charger detects during charging that you are trying to start the engine it will automatically supply the highest current 
available for the selected 6V, 12V or 24V battery. This requires that the charger should be connected to the mains supply and 
the battery terminals are connected to the battery correctly.

SPECIFICATIONS
Input Voltage: 

 

230V AC / 50Hz

Protection class: 

 

II

Protection:   

 

IP20

Charge voltage: 

 

6V: 7,25V / 12V: 14,5V / 24V: 29,0V

Charge voltage COLD TEMP.: 

6V: 7,45V / 12V: 14,9V / 24V: 29,8V

Adjustable charging currents: 

1A / 5A / 10A

Battery capacity: 

 

4,5Ah – 240Ah 

DISCLAIMERS
The information in this manual may be amended without notice. ANSMANN assumes no liability for any direct, indirect, inci-
dental or consequential damages or any other damages caused by improper handling or disregard of the information contained 
in this manual.

WARRANTY INFORMATION
ANSMANN offers a 3 year warranty on this device. No guarantee will be given on damage to the charger due to non-compliance 
with these instructions.

Information subject to change without prior notice. ANSMANN assumes no liability for printing errors. 02/2013

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