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 2440 is a high-performance, fully autonomous 24V battery charger designed for professional use in complex vehicle systems. Featuring MODESHIFT™ technology to deliver optimal charging or power supply—no buttons or settings required. Its rugged, IP64-rated housing provides protection against dust, moisture, and harsh environments, while the fanless cooling system ensures quiet, efficient operation. Seamless switching between charge and supply modes makes it ideal for diagnostics, programming, 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;*;Safe for all 24V lead-acid and lithium batteries and battery systems;*;Swedish quality – trusted by leading OEMs worldwide
| Input | 220-240VAC, 50Hz, Max 7A |
|---|---|
| Output | 24 V,40A |
| 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 | 100–800Ah |
| Degree of protection | IP64 |
| Dimensions | 293 mm x 236 mm x 80 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)
High-Output 24V Performance
Continuous Full-Power Output
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Robust, reliable, and fully autonomous – the CTEK PRO 2440 offers top-tier 24V battery charging for advanced diagnostics and programming tasks.
Specifications
Battery Voltage
24 V
Battery Capacity
100–800Ah
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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