Frnds m going to introduce all my friends about this v guard inverter .it hve long life battery .it runs ur pc for mostly 2 hours.it is very cheap and best from the other products .intex company is the famous company .which never hve any kind of complaints about their Products.so according to me friends go and run yours pc or computers for the long time wi g h help of this multifeature electric device.so hurry up friend