Product details:

Never wait for someone else to help jump-start your car. Trust this battery charger from Battery Tender, featuring a smart charge.This smart battery charger has a 18 AWG lead and an automatic functionality.The voltage rating is 12vdc. Take advantage of the included 4-1/2 ft. long cable. Superior performance is achieved with 110-240 VAC input. Take advantage of the included 6 ft. long AC cord. 1.25 amps are included for ultimate power.