6 - 12 Volt - 500mAMP - CEC Smart Battery Charger meets the new California CEC regulations and features direct wall plug design. 3 stage 6 - 12 volt smart charger has reverse polarity protection with automatic switching technology will not overcharge the battery and includes alligator clips and ring terminals. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.