Quick indication: LED traffic light system to show battery charge levels, so you know when to charge. 
Easier connection: features CTEK's unique Connect system, so it can be attached to a CTEK charger, providing easy access to the battery. 
Tough & durable: hardwearing, flexible cables, designed and tested in Sweden 
Compatible: the Indicator eyelet is designed for use with CTEK chargers up to 10A output.