This easy to install, high-quality system prevents discharge of your main / starting battery by drawing all 12 volt DC loads from your auxillary battery with engine off, yet charges both batteries when your engine is running. Never have a dead starting battery again!
COMPLETE KIT KINCLUDES ALL NECESSARY COMPONENTS:
*NOTE: If you have a high current / high power application (i.e., diesel or large engine, monster sound system, large inverter, etc.), please check our other listings for kits that utilize 100% copper cables that yield 40% more current carrying capability that will not overheat the cables.