Which quality UPS with external battery to choose?

Question

Iron

Good afternoon. I will consider all options. By consumption 1-2 servers of 200-300 W each, I would like a power reserve of 5-10 hours

Answer 1

After the death of the UPS 5 years ago, I monitored and looked at all available UPSs at 2.5-3 kW / h.
Of the APC and IPPON close enough to the requirements, I opted for the Ippon Smart Winner 3000 and did not regret it. Later bought additional battery pack.
Holds 3 "under" servers (regular PCs with one function or another) (actual consumption is 150-240 watts each because they are quite old, but they do their job) 6 hours in the basic configuration, 11 hours with an additional battery.

Answer 2

I walked through the "Toaster", they advise Ippon Smart Winner 3000, who will say what?