SDU AC-A Series
A272-290 Rev. 5 07/2018
Page: 14
11.0 Storage
Ambient temperature range is -15 °C to +45 °C (5 °F to 113 °F). It is recommended to charge the UPS for
at least 8 hours then store the UPS covered and upright in a cool, dry location. Remove accessories and
disconnect cables connected to the UPS to avoid unnecessary draining of the battery.
Extended Storage
During extended storage in environments where the ambient temperature is:
-15 °C to +30 °C (+5 °F to +86 °F), charge the UPS battery every six months.
During extended storage in environments where the ambient temperature is:
+30 °C to +45 °C (+86 °F to +113 °F), charge the UPS battery every three months.