The CTEK 40-377 CS Connect U Terminal provides a permanent connection to your battery, ideal for hard-to-reach locations. It features CTEK's unique CONNECT system for a quick and easy connection between the battery and your CS ONE charger. Designed and tested in Sweden, this U terminal connector is high quality and durable, with hardwearing, flexible cables built to last. It offers a secure and simple way to attach your CTEK battery charger. Please note: If using with the CTEK CS ONE charger, the CS CONNECT ADAPTER CABLE is also required. Features a 2-year warranty.