The Clore Automotive Charge It! 6V/12V 6/2 amp Smart Battery Charger/Maintainer, No. 4506, provides multiple charge rates and the ability to properly charge a wide variety of battery types. With the CHARGE IT! 4506, operation is fully automatic, freeing users for other tasks but still delivering the same consistent, beneficial charge every time. It is simple to setup for each charging/maintenance application. The operator simply selects battery voltage, battery type and the desire charge rate. The 4506 features polarity protection, outputting current only when a proper battery connection has been made.