File talk:Datacenter Backup Batteries.jpg
Jump to navigation
Jump to search
Lead cells?
[edit]The cells numbered up to "240" as pairs in transparent cases look like lead-acid-cells.
240 x 2.0 V nominal voltage = 480 V makes sense to produce +/- 220...240 V ohnly by switching. --Helium4 (talk) 11:48, 11 November 2017 (UTC)