These Replacement 12-Volt Battery Leads are used for connection of Patriot 12-Volt Energizers. Use with the P5, P10, P20, and P30 energizers. The lead cable is 40' long. To install, insert the white plug on the end of the leads into the power socket of the Patriot energizer. Connect the red positive lead clip to the positive terminal of the battery. Connect the black negative lead clip to the negative terminal of the battery.