This offers many of the same features of the Battery Tender Plus, but can simultaneously charge & maintain 4 batteries. - 4 independent charging stations. - 12 volts @ 1.25 amps per station. - Extremely lightweight! Less than 3 lbs! - Operates anywhere in the world! 100-240 VAC 50/60 Hz. - 25 ft leads available (NOT INCLUDED) - Microprocessor controlled constant current charging! - Reverse Polarity Protected. - Spark Proof. - Perfect for all AGM (absorbed glass mat), sealed maintenance free and flooded batteries - Complies with US and international safety standards (UL/CE). - 2 year warranty!