Question about UPS

MohsinMan99

RPG Overlord
What is the main factor that determines the performance of a UPS? Is it the VA rating, the number of batteries or something else?

Someone recommended a friend of mine to buy a "double battery" UPS as it supposedly gives more backup time than single battery UPS no matter the rating. Is this true?
 

d6bmg

BMG ftw!!
Quality of battery determines the backup time. UPS rating determines the max amount of load that can be given to that UPS.
 
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