CTEK 56-304 2.5m Comfort Connect Extension Cable filter kit while the STK4 uses CCA

while the STK4 uses CCA (copper-clad aluminium) and includes a 100A fuse

Positive or negative use: Can be configured as either a positive or negative battery terminal

or where the antenna needs to be aimed vertically despite being mounted on a non-horizontal surface

Stinger Smart Single DIN Radio Fascia Kit: The SFSSM01 allows installation of a aftermarket Single DIN radio into your vehicle

CTEK 56-304 2.5m Comfort Connect Extension Cable filter kit while the STK4 uses CCACTEK 2. 5m Comfort Connect Extension Cable: Extend the Range of Your CTEK Charger The CONNECT Extension Cable is a convenient and secure solution if your CTEK charger needs to be further away from the battery or the vehicle. Simply connect the 2. 5m cable to your charger's accessory plug and attach the other end to the sockets on your accessories. CTEK 56 304 Features: 2. 5m cable length to give your charger more range CTEK CONNECT system for a secure