Luminous 3.5 Kva Pure Sine Cruze Wave Inverter Home and Commercial establishments have higher power needs. Also, frequent power cuts can hamper the overall performance of the appliances. Luminous 3.5 KVA / 4 Battery System offers high quality and reliable power backup solution for running office and sensitive appliances. Key Feature 4 Battery / 48 Volt system for running Office and Air-Conditioners. Running Load Lights, Fans, Refrigerator, LED Television, Water Motor, Laserjet printer, Multiple Computers, Laptop and Mobile charging Color Silver Battery Support 120 Ah - 220 Ah Battery System Four battery / 48V Technical Details Wave Type Pure Sine Wave Rated Capacity 3500 VA Output power 2800 Watt Input Voltage 110V -290V Output Voltage (Ups Mode) 180V - 230 V Charging Current 21 Amps Recommended Battery Ah 135 Ah - 180Ah Full Battery Recharge Time 10 - 12 Hours Protection Overload, deep discharge, short-circuit, Reverse polarity & Input mains protection through MCB and by pass switch. Weight 25.0 Kg Dimensions 40 *38 *47 cm (L*W*H) Display Indications Mains available - yes Battery Charging - yes Battery Charging level in % -yes Inverter switched on - yes Low Battery indication- yes Overload Indication - yes # Battery is not included with this purchase.