CTEK Comfort Connect Extension cable extends the reach of your CTEK chargers. With a length of 8. 2 feet this extension cable is designed to fit MULTI US 3300, MULTI US 7002, US 0.8, CT5 Powersport, MUS 4.3 Polar, MUS 4.3 Test & Charge, MXS 5.0, Lithium US, CT5 Time to Go and MURS 7.0, battery chargers.