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CTEK Battery Charger - CT5 Powersport - 2.3A | Motorcycle, ATV, Jet Ski, Snowmobile

Brand: CTEK

Part #: CTEK40-339

In stock!

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CTEK Battery Charger - CT5 Powersport - 2.3A


CTEK CT5 POWERSPORT 12V 2.3A Battery Charger & Maintainer

  • Charges Lead-Acid and Lithium (12V LiFePO4) Batteries
  • Minimum battery voltage required: 2.0V LEAD-ACID / 5.0V LITHIUM
  • Tests and Restores Battery Capacity
  • Non-Sparking, Reverse Polarity Protected
  • Battery Capacity: 5-25ah
  • 5 Year Warranty

The CT5 POWERSPORT (part# 40-339) makes sure you're ready for action every time. With dedicated programs for lead-acid and lithium (12V LiFePO4) batteries, you can get the best performance out of your powersport vehicle batteries whether you're on land, water, snow, or ice. Alligator clamps and eyelets included

To give you the best performance possible, your powersport vehicle needs to be in top condition. Powersport vehicles are often stored for long periods of time. The CT5 POWERSPORT battery charger provides peace of mind that your battery is charged to capacity and ready to go when you are.

The CT5 POWERSPORT has been designed specifically to charge and maintain powersport batteries using advanced technology to give you three fully automatic charging and maintenance programs – Normal: for all lead-acid batteries, including AGM, Lithium*: for all lithium* batteries and Recond. If required, you can connect The CT5 Powersport directly to the battery indefinitely, it will not over or undercharge.

The CT5 POWERSPORT is suitable for all motorcycles, ATVs, Jet Skis, and snowmobiles. The CT5 POWERSPORT offers features such as a special reconditioning function that restores stratified and deeply discharged batteries, unique maintenance charging, and the charging of demanding AGM batteries (i.e. Optima). The charger is splash and dustproof, designed to protect vehicle electronics and non-sparking, reverse polarity protected, and short-circuit proof. It is delivered with a 5-year warranty. It provides an outstanding charging experience!

Video Tutorial




110-120VAC, 50-60HZ, 1.1A max


14.4/15.8/14.2V, 2.3A max

Back Current Drain*

Corresponding to less than 1.5Ah/month

Ambient Temperature

-4°F to +122°F (-20 ̊C to +50 ̊C)

Battery Types

12V: WET, Ca/Ca, MF, AGM, GEL, LiFePO4

Battery Capacity


Insulation Class



5 years

Back current drain is the current that drains the battery if the charger is not connected to a power outlet. CTEK chargers have a very low back current.