CTEK Comfort Indicator Pigtail (Part No. 56-564) converts an existing SAE quick connector into a sealed indicator of the status of your battery. It also opens up for charging with a CTEK 12 Volt charger CTEK Comfort Indicator can prolong the life expectancy of the battery as it makes sure it can always be fully charged and it indicates when the harmful sulfation process begins.
Designed to fit UC 800, US 800, MULTI US 3300, MULTI US 7002, US 0.8, and MUS 4.3 battery chargers.