• 9-step smart battery charger keeps batteries at optimal charge and lasting longer than simple chargers;• Auto voltage detection between 6-volt and 12-volt batteries;• Built-in protection guards against overcharging, reverse polarity, or short circuits;• LCD display shows status and battery voltage measurement;• Automatically adjusts the amperage rate to charge and maintain batteries;• Easy connection to vehicle battery using the included battery clips and O-ring terminals;• ETL(R) listed under UL(R) 1236 and CSA C22.2;• 5-year warranty;
