CTEK CS FREE - The world's first Portable battery charger with Adaptive Boost technology

The CS FREE is the world’s first fully portable battery charger and maintainer with Adaptive Boost to get your flat battery going quickly and safely – without the need for mains power. In other words, it’s a 12V power bank for your vehicle that works with both lead-acid and lithium (12V LiFePO4) batteries. Plus, it’ll keep your portable tech, like phones, laptops & cameras topped up too. So simply charge it up, take it with you and use it anywhere!