In my home Im using this inverter for around 5 years and still it doesnt have any problems at all and today also it works like new inverter during long power cut it was going satisfy you and if I am using this for more than 5 year without any problem you able to new it very well that how durable this inverter is if you are going to buy a new inverter I will only with recomend Luminous because its best brand in inverter.