Has two circuits: one 7.5A circuit for standard maintenance charging and one 15A circuit for higher-powered accessory requirements such as heated clothing The same features as the standard Dual Function lead, plus it adapts any accessory requiring an extended reach female cigarette-type plug accessory Has female cigarette socket end, 1' 6" L 5' L DC charging/power lead extension lets you extend your standard SAE DC charging or power lead Can combine cables to create 10', 15' L or longer extensions as needed Avoid the bulk of a 25' extension cable if not needed Replaces lost or broken off standard SAE two-pin weather caps. CHARGING LEAD 5' EXT