The CTEK Comfort Connect extension cable allows the CTEK charger to be used further away from the vehicle or battery. To use, simply connect the Comfort Connect Extension cable into your CTEK charger accessory plug and place the other end into the socket of the clamp or eyelet accessories that came supplied with your CTEK charger. The unique CTEK Comfort Connect system ensures a secure connection. Suitable for use with all CTEK chargers up to 10A using the Comfort Connect system.