Sukam pure shine wave is not an ideal inverter for our daily usuage.That’s what I came to know after use of 3 years.they are not really promissing by any stretch of the imagination.Inverter are in deed and essetial need in areas when power is cut off.I have feeled too many trouble from it.it giving so much problem it give backup nearly 3to5 hrs and then called to service theam.I just say please don’t buy su-kam for future purpose please go for some other inverter. Battery backup is very bad.customer care service very bad.
Makes hamming sound, even their engineer is not able to takle it.