This is technological advancement from Servotech that we have produced Sine Wave home UPS & Inverter that works on the worlds most advanced technology DSP (Digital Signal Processing The Main advantage is that it has an Active Power Factor Control Topological pulse charger. This creates minimum water loss & increasing the battery life immensely. For those areas where power goes off frequently, the system has been provided selectable charging as high as 15 amp. to give optimal charging time for batteries. It can also charge the battery from 100V to 290V input. Salient Features:- » Provides pure sine wave output. » Instant switchover for the computer to run uninterrupted during power cuts » Provides extra long back-up for computer » Space saver-ideal for modern day households » User friendly display » Saves 40% electricity bill as compared to square wave inverter » Incorporates smart overload sensing and short-circuit protection with auto reset.