Genius G4 6V/12V 1100mA Battery Charger - 4-BankWicked Options, Wicked Smart!The G4 is a smart, 7 Step, fully automatic switch-mode battery charger and maintainer with 4 independent battery banks. The G4 allows different battery sizes, voltages (6V or 12V), and chemistries to be charged at the same time safely and efficiently. The G4 is best for charging multiple small battery applications from 2.2-40Ah, such as Motorcycles, ATVs, Jet Skis or Snowmobiles. In addition to charging, the G4 can effectively maintain any 6V or 12V batteries in larger applications, such as Cars, RVs, Boats and Trucks. With 4 independent battery banks, the G4 is the best way to keep all of your vehicles maintained at the same time. Includes a 5 year limited warranty.Powered by NOCO's VosFX ProcessorThe VosFX Processor is a revolutionary smart processor utilizing sophisticated levels of intelligence to alter the charge process. Rapid Charging TechnologyCharges batteries 2X faster than traditional linear battery chargers. High Frequency, High EfficiencyHigh-frequency, high-efficiency for a lightweight, compact charger. Designed for SafetyReverse polarity, short circuit, open circuit, spark proof, overheat, overcurrent & overcharge.WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.