Designed with the highest technology, The Smart Charger is an intelligent power supply and battery charger. In other words, it does the thinking for you, allowing a practical use, not requiring technical knowledge from the user to carry out the settings. Just turn it on, and Smart Charger will do the rest, automatically adjusting to the system. It can be used as Battery charger, power supply, and auxiliary for car sound systems, among others. With automatic bi-volt power supply, it provides 120 Amperes in a voltage range that goes from 12.0 to 14.5V DC. In addition, it has a voltmeter and a V.U. that acts as an ammeter or charge indicator. With Smart Charger you spare time for what really matters.