Up to 5 year warranty
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CS ONE (Gen 2) is our most versatile charger, compatible with virtually all 12V batteries across cars, motorcycles, boats, campers, and more. It automatically adapts for optimal safety and performance—making it the safest choice when you’re unsure.
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The CTEK PRO 2420 is an intelligent, fully autonomous 24V battery charger designed for professional use. Featuring MODESHIFT™ technology to deliver optimal charging or power supply—no buttons or settings required. Its IP64-rated housing ensures protection against dust, moisture, and extreme work conditions. The silent, fanless cooling allows quiet operation in any setting, perfect for under-vehicle use or bench integration. Seamless switching between charge and supply modes makes the PRO 2420 ideal for programming, diagnostics, and flashing tasks.
;*;MODESHIFT™Auto-switch between charge and power supply ;*;Zero setup – just connect and charge or supply power;*;IP64-rated flat design for under-vehicle or bench use;*;Fanless cooling for quiet, efficient operation;*;Ideal for diagnostics, flashing and programming;*;Anderson, RJ45 and RS485 connectivity options;*;Built for showrooms, workshops and garages;*;StartFragmentSafe for all 24V lead-acid and lithium batteries and battery systemsEndFragment;*;Swedish quality – trusted by leading OEMs worldwide
| Input | 220-240VAC, 50Hz, Max 3A |
|---|---|
| Output | 24V,20A |
| Battery types | All types of 24V lead-acid (WET,MF,CaCa,AGM,GEL) and Lithium-ion,LiFePO4,LFP |
| Battery chemistry | Lead-acid and lithium-ion |
| Start voltage | 0.5 V |
| Battery voltage | 24 V |
| Battery capacity | 40–400Ah |
| Degree of protection | IP64 |
| Dimensions | 200 mm x 148 mm x 74 mm mm |
| Warranty | 2 years |
| Warranty information | CTEK issues a limited warranty to the original purchaser of the product. Depending on the product, the limited warranty period will vary. The limited warranty is not transferable. The warranty applies to manufacturing faults and material defects. The warranty is void if the product has been handled carelessly or repaired by anyone other than CTEK or its authorized 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 other warranty other than this warranty. |
Fully automatic/autonomous operation (with MODESHIFT™ Technology)
24V Commercial Vehicle Support
Built for Heavy-Duty Workshops
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Robust, reliable, and fully autonomous – the CTEK PRO 2420 delivers premier 24V battery charging for heavy-duty fleets and vehicles.
Specifications
Battery Voltage
24 V
Battery Capacity
40–400Ah
Battery Chemistry
Lead-acid and lithium-ion
Battery types
All types of 24V lead-acid (WET,MF,CaCa,AGM,GEL) and Lithium-ion,LiFePO4,LFP
Warranty
2 years
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