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CS FREE Gives You Freedom From Outlets
Whether on a boat, in the mountains, or in the desert this battery will work when you need it the most.

Off Grid? No Problem with the Revolutionary CS FREE
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.

It's National Camping Month, Celebrate the Outdoors with a 140A OFF ROAD Bundle
Camping season is in full swing! Whether you are out there already, or just planning your outing, celebrate National Camping Month by treating yourself to the 140A OFF ROAD bundle. With this bundle, you get the perfect combination of the CTEK D250SA Smart Charger and the CTEK SmartPass 120 Complete Management Unit. Together you will be 100% ready for your outdoor adventures and can travel to your destination worry free. 

Gift Guide 2019: Gifts for the Outdoor Lover
Do you have to get a gift for someone that enjoys going off-road or even off of the grid? CTEK has a great idea for you for the gift-giving holiday...

Go Off the Grid Safely and Reliably
The CTEK 140A Off Road Bundle combines the CTEK D250SA Smart Charger and the CTEK Smartpass 120 Complete Management Unit. This system will provide your 4WD, van, RV, or other off-grid vehicles with 140 Amps of charging power, enough to keep your batteries charged and ready.