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Annex. A Installation of internal batteries
For UPS 10kVA & 20kVA, up to 120pcs (3 * 40) 12Vdc 7-9Ah batteries can be installed.
For UPS 30kVA & 40kVA, up to 160pcs (4 * 40) 12Vdc 7-9Ah batteries can be installed.
Per each string there are 40 batteries, divided in 4 groups/tray of 10batteries each connected in series
with middle connection, the tray are front access.
The interconnection among groups is via cable with Anderson connector, refer to the below diagrams.
The batteries are installed in trays, each tray has 10 batteries 7Ah or 9Ah, see drawing