•Maintain the ambient temperature at 25°C (77°F).

•If storing a UPS for an extended period, recharge the batteries ("Charging the UPS batteries" on page 22) every 6 months, and then update the battery recharge date label.

UPS battery replacement procedure

This component is hot-swappable and can be replaced without powering down the UPS.

1.(optional) To replace the component with the UPS powered down, refer to "Powering down the UPS (on page 24)."

2.Remove the UPS front bezel ("Removing the UPS front bezel" on page 26).

3.Disconnect the battery leads.

4.Remove the battery bracket.

5.Remove the UPS battery modules.

Maintenance 28