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The Charger That Tells You When You're Ready to Go 

Take Control of Your Day

The groundbreaking CT5 TIME TO GO (part #40-255) battery charger and maintainer is the first of its kind in the world because it answers the question ‘When will my battery be fully charged?’

This means you can plan your day around your battery charging because the CT5 TIME TO GO gives you an accurate prediction of the remaining charging time in hours. Not only that, but it’ll also tell you when you can safely try to start your vehicle before the battery is fully charged. The CT5 TIME TO GO uses advanced technology to give you three charging and maintenance programs – Normal, AGM, and Recond. It’s easy to use and fully automatic, so it can be connected directly to the battery indefinitely if required, and it won’t over or under charge. The CT5 TIME TO GO also has built-in temperature sensing capabilities, so it won't overheat.

More Details


  • For all types of lead-acid 12V Batteries (Wet, EFB, MF, CA/CA, AGM, and Gel).
  • Tells you how long before the battery is charged and ready to go.
  • Indicator to tell you when you can try to start your vehicle after a dead battery.
  • Fully automatic charging with MAX 4.3A.
  • Tests and restores battery capacity.
  • Non-sparking, reverse polarity protected.


  • Voltage: 14.4/14.7/15.8 V
  • Charging current: Max 4.3A
  • Charger type: Multi Step fully automatic charging cycle
  • Battery type: All 12V lead-acid batteries
  • Battery capacity: 20-160Ah
  • Insulation: IP65 (splash and dust proof)
  • Warranty: 5-year warranty

“Having owned several of another ‘popular’ brand of charger, the CTEK is far and above superior in every possible category. WELL worth the miniscule additional cost. ”