An advanced battery management system with compact degign that suit the modern hosehold.Features like extremly useful LED display monitor, water level indicator, Ups and Eco mode made a huge difference from other Inverters & UPS.available in 900 VA & 1500VA options.Also incorporated with advanced features like Battery deep discharge protection so that no fluctuation of power so no doubt about its durability.Once properly setup just see and check water indicator level & LED display monitor & enjoy with uninterruptible power supply.