Exide Magic is Square wave inverter. It's Smart Systems are comparable to premium models. The ASIC technology automatically senses the battery condition to adjust the charging current accordingly. It also controls output voltage to prevent Overload, Short Circuit, AC Back Feed, Low Battery, Battery Overcharge, Mains Overload, Overheating, etc. Soft Touch ON/OFF, Mode Selection & Charging Selection Switch are some added features that add real value at a surprisingly affordable price. Exide magic inverters are the advanced microcontroller based system of Inverter.