Dear all buyer’s luminous 1100 va is sine wave home ups . Indias first backup time show and charging time . Looking so good and comfortable size . Show everything’s on lcd display like battery water level, Short circuit, charging anything. I recommend all buyer I tasted this inverter and veryfied . This inverter care battery and longgibity. So buyer all the luminous inverter is great. I love this inverter and this price is very accurate. This inverter need 80-150 amp battery any tubular, flatt cell battery .