Whether on a boat, in the mountains, or in the desert this battery will work when you need it the most.
The new, revolutionary CTEK CSFREE is perfect for your off-grid lifestyle. Find out how this first of its kind Adaptive Booster, battery charger, smart maintainer, and hi-tech power bank can change the game of your off-grid adventures.
CTEK’s new CS FREE is the world’s first truly portable battery charger and maintainer with Adaptive Boost technology. No power? No problem. Within 15 minutes, the CS FREE can take your car from a dead battery to back on the road without being tied to a power outlet.