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TECHNICAL SPECIFICATION
I2420 I2440
Model number 1320 1340
Input 220–240VAC, 50–60Hz, max 3A 220–240VAC, 50–60Hz, max 7A
Output 24V, 20A 24V, 40A
Start voltage 0.5V 0.5V
Back current drain* Less than 1Ah/month Less than 7Ah/month
Ripple** Less than 4% Less than 4%
Ambient temperature -20°C to +50°C (-4°F to +122°F)
Battery types All types of 24V lead-acid batteries (WET, MF, Ca/Ca, AGM, GEL) and Lithium-ion (LiFePO₄, LFP)
Battery capacity 40–300Ah 100–1500Ah
Dimensions See DIMENSIONS
Insulation class IP64
Weight 1,4 kg 3,0 kg
Warranty 2 year
*) Back current drain is the current that drains the battery if the charger is not connected to the mains. CTEK chargers has a very low back current.
**) The quality of the charging voltage and charging current is very important. A high current ripple heats up the battery which has an aging effect on the positive electrode. High voltage ripple could harm other equipment that
is connected to the battery. CTEK battery chargers produce very clean voltage and current with low ripple.
LIMITED WARRANTY
CTEK 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. The
customer must return the product together with the receipt of purchase to the point of purchase.
This warranty is void if the product has been opened, handled carelessly or repaired by anyone
other than CTEK or its authorised representatives. CTEK makes no warranty other than this
limited warranty and is not liable for any other costs other than those mentioned above, i.e.
no consequential damages. Moreover, CTEK is not obligated to any warranty other than this
warranty.
SUPPORT
For support, FAQ, latest revised manual and more information about CTEK products:
www.ctek.com.
