2.5 kVA inverter with 2 pieces of 220 Ah battery is most popular solar combo set which is designed for home where power cuts are frequent and for long hours, 10- 16 hours. 2.5 kVA inverter is good enough for 5- 7 bhk home for running 15-20 led bulbs, 3-4 fans, 2 television, 1 mixer. It is a solar-ready inverter on which solar panels up to 1200 watts can be connected in the future to run all home appliances from solar during the day.