Hello friends luminous is a good company for inverter. All inverters of this company are have a long life but luminous ECOVOLT 700 VA is a product which I used last since last 3 years . Its battery take less time to charge and it can take load of cooler tv also . At overloaded its automatically goes off but no harm of battery. I have no issue abhout this in last 3 years. It not require maintainance and its all functions are automatic even a child can operate it only one power button has to be pressed. So go for its. Its will give you value of money