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Happy kid on a boat

When CTEK CS FREE is on board with you

CTEK CS FREE is the world's first truly portable charger that supplies power to electronic equipment without being plugged into an electrical outlet. It has a groundbreaking maintainer, adaptive booster, and hi-tech power bank to deliver 12V power to your vehicle's battery.

CS FREE is just a lifesaver because it keeps your techs up and running no matter wherever you are. If you are confused about whether you should invest in CS FREE or not, consider the below-given points that will convince you to choose it.

Enjoy Your Trip With CTEK CS FREE

CTEK CS FREE Powerbank

Everyone needs freedom and a hassle-free journey when on a boat or in a vehicle. You will effortlessly enjoy your trip when you believe that your vehicle will start and you will be able to go where you want. This peace of mind that gives freedom to you can be achieved if you have CS FREE with you. This impressive adaptive booster provides the following benefits to its users.

You Say Opportunity; We Recommend CTEK CS FREE

CS FREE is truly a multi-functional portable charger that makes your life easier and saves you from the hassle of dead batteries. This portable charger helps you avoid unwanted situations, like being stuck on a boat with a flat battery. You can stay out for longer and have a decent lunch.

It's your time to rock out to your favourite music while you capture the magnificence of nature because you know that you have CS FREE and can go back safely whenever you want.

CS FREE comes with an Adaptive Booster, an Intelligent Battery Charger, an Intelligent Maintainer, and an on-the-go Power Bank that lets you charge your smartphones, cameras, and other electronic devices while you're out and about! 

CS FREE Solar Panel


In this modern era, we depend on multi-functional batteries more than ever. We prefer such batteries that can work simply and surely to stay connected with our beloved ones. Having the CS FREE Solar Panel means you've got the freedom to sit back, take a nap, and enjoy the good times. CS FREE is a great way to charge your battery when you have a solar panel. This will help you use your battery whenever you are out on the water or traveling through any desert. The CS FREE Solar Panel kit performs intelligent and responsive services and gives reliable solar power to batteries whenever you need it. 

The CTEK CS FREE is also a multi-functional 12V power bank that delivers power to smartphones, tablets, laptops, and other electronic devices. It means that you can charge your electronic devices even when you don't have power outlets.

Get Going Fast

The CS FREE maintains the charging of your battery for a longer time. Revolutionary Adaptive Boost technology is used in CTEK CS FREE and allows you to bring back the life of your battery within just 15 minutes. The CS FREE can be used as a standard main powered battery and rescue you from critical situations. For instance, you can power up your battery via a CS FREE Solar panel when you are out on the water. 

No Worries about Dead Batteries

It seems frustrating, time-consuming, and expensive to start your journey with a dead battery. There's nothing worse than being stranded by a dead battery in the parking lot and unable to start the car. Now you don't need to face this situation anymore. You can use CS FREE to get rid of this toxic situation. It is an intelligent maintainer and charger that stable the power of your batteries. 

Appreciable Functionalities 

CS FREE with award

CTEK CS FREE allows you to enjoy its award-winning functions such as;

  • The internal battery can stay charged up to a year if fully charged.
  • It has an easy-to-read display and fully automatic UI (User Interface).
  • It comes with USB-C and USB-A for charging smart devices.
  • Comes with 2 years peace of mind warranty.
  • Count down the feature that shows how long it will take to fully charge your battery.
  • The CTEK CS FREE offers an array of benefits under one roof. It is a perfect choice to charge any 12V lead-acid or lithium battery up to 130Ah.