The NXT Series is the latest innovation from CTEK, created for drivers and enthusiasts who demand high performance, reliability, and ease of use. Two models lead the way – NXT 5 and NXT 15 – combining cutting-edge technology with CTEK’s signature quality and intelligence.

NXT 5

  • 5A output 
  • Patented Recond and desulphation modes 
  • Temperature-compensated charging 
  • Supports 12V batteries from 1.2–160Ah 

Ideal for: Bikes, cars, classic and leisure vehicles. 

NXT 15

  • 15A output for powerful, fast charging 
  • Supply mode with constant 13.6V output 
  • Supports 12V batteries from 20–350Ah 

Ideal for: Trucks, boats, off-road and performance builds. 

 

Engineered for the Real World

Both NXT models support 12V lead-acid and lithium batteries, and include:

Automatic spark-free operation 

Reverse polarity protection 

Connect and forget functionality 

Enhanced with rubberised cables and designed to thrive in extreme environments, the NXT Series is built to perform. 

Everyday Usability. Professional-Grade Features.

Everything you expect from the global leader in battery care — now at the next level. 

Power, Performance, and Confidence

With the NXT Series, CTEK takes the world’s favourite battery chargers to the next level. 

Built tough, designed smart, and powered by patented technology, NXT gives you the performance and reliability you need — whatever you drive, wherever you are.

The NXT Series is designed and built for vehicle owners and enthusiasts who demand high performance, reliability and ease of use. 

The smart NXT Series debuts with two advanced models – NXT 5 and NXT 15 – which build on CTEK’s award-winning legacy of innovation and user-focused design. 

Next generation performance 

Both NXT Series models support 12V lead-acid and lithium batteries, and feature automatic spark-free operation, reverse polarity protection and CTEK’s hallmark connect-and-forget functionality.

Enhanced with robust rubberised cabling and engineered for extreme environments, the NXT Series is built to perform in the real world – hot or cold, clean or dirty. 

Your vehicle, your choice 

With the NXT Series, CTEK is taking the world’s favourite battery chargers to the next level. Built tough, designed smart and powered by our patented technology, NXT gives drivers the power, performance and confidence they need – whatever they’re driving, wherever they are. 

More like this

Road trip ready: how to avoid a flat battery ruining your summer escape

There’s nothing quite like heading off in a motorhome during summer. Longer days, spontaneous stopovers, coastal roads, mountain campsites and evenings spent outdoors – it’s what motorhome life is all about. But summer adventures also place extra demand on your vehicle’s battery system. Fridges run constantly, lighting stays on later into the evening, phones and devices are always charging and many motorhomes sit unused between trips. 

Road trip ready: how to avoid a flat battery ruining your summer escape

Best portable chargers for travelling by car, camper or boat

For safe and enjoyable adventure travel by land or sea, preparation is key – pack a list of essential equipment to stay safe when on the move, including a portable battery charger that is multi-functional and robust such as CTEK’s CS FREE. 

Best portable chargers for travelling by car, camper or boat

Motorcycle Battery Voltage

One joy of motoring on two wheels is simply putting on your helmet and gloves, jumping on your motorcycle and hitting the open road. To make that happen your motorcycle has to be in good working order – and that includes the 12V battery usually hidden beneath the seat. 

Motorcycle Battery Voltage

Portable jump starters: how to choose the best one for your car

To choose the best portable jump starter for you and your vehicle, consider your engine size – larger vehicles with larger engines require a jump starter with higher power output. Compare the amperage and peak current of different models to find the right match. Safety features to protect against sparks, overloading and reverse polarity are also a plus, as is choosing a quality brand such as CTEK.

Portable jump starters: how to choose the best one for your car

Perific & CTEK: powering smarter EV charging together

The award-winning CHARGESTORM® CONNECTED 3 and 3i EV charge points are now compatible with Perific, the market-leading power management system for EV charging and heat systems.  

Perific & CTEK: powering smarter EV charging together

CTEK and Ruffian Cars Bring “Race-Bred Thinking” to Europe – Joint Debut at Ultrace Germany

Hanover, April 15, 2026 – CTEK, a global leader in battery charging solutions, is joining forces with U.S. custom car builder Ruffian Cars to showcase their offerings at Ultrace Germany, taking place April 25–26, 2026, at the Areal Böhler in Meerbusch. The spotlight will be on two extraordinary automotive icons, the Ruffian GT40 and the Ruffian Galaxie, as well as innovative CTEK charging solutions for high-performance applications.

CTEK and Ruffian Cars Bring “Race-Bred Thinking” to Europe – Joint Debut at Ultrace Germany