Parma & parma manufactures a whole range of dc to ac inverters. This dc to ac inverter has features like overload protection, reverse polarity protection, auto start/stop and short circuit protection. The favorable thing about this parma inverter are its stable frequency, modified square wave form and is operated on 12v,24v, 48v dc. Protection for battery overcharging, reverse polarity and battery overcurrent are provided. Which increase the life of the battery provided.Indication for mains on, inverter on, overload, low battery and charging are provided on the front panel. By-pass load and battery overcurrent are protected through mcb for enhanced protection. The enclosure is compact in size and rugged in construction. It is available in stand-alone style. Input terminals and output socket are provided on the back side of inverter. With proper care of battery, the equipment is practically maintenance-free.