Genius G3500 6V/12V 3500mA Battery ChargerWicked Versatility, Wicked Smart!The G3500 is a smart, 8 Step, fully automatic switch-mode battery charger and maintainer. The G3500 restores batteries to their original capacity, recovers slightly sulfated batteries, charges batteries in cold climates, rescues drained batteries and provides maintenance charging to increase battery life. A versatile battery charger that provides charging modes for both large and small batteries from 1.2-120Ah, such as Cars, RVs, Boats and Trucks, as well as for Motorcycles, ATVs, Jet Skis or Snowmobiles. 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.