If you are looking for good inverter with long battery life then you need to give a try to LUMINOUS inverters. I am using luminous inverter with Exide battery and I am really satisfied. You can rely on luminous and get rid of power cuts.
Long life and well designed inverter that will not only gives you good long backup but also provides safety to your electrical appliances from voltage fluctuations.
Very good reputed and branded company .
Go for luminous guys. No more power cuts.