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Posted: 2021-06-2907:12 PM
Use 140AH Wet batteries in 400I ;)
This was originally posted on APC forums on 10/29/2012
I put 140ah X 2 lead acid battery instead of 14ah(10 times more than actual one 😉 ) sealed battery in my old 1400I ups and it works perfect before that I was suffered using seal lead acid batteries and their backup time.