HPE ProLiant DL385 Gen11 Maintenance And Service Manual page 209

System battery replacement System battery replacement
If the server no longer automatically displays the correct date and time, then replace the battery that provides power to the real-time clock.
Under normal use, battery life is 5–10 years.
Subtopics Subtopics
System battery information System battery information
Removing and replacing the system battery Removing and replacing the system battery
System battery information System battery information
The server contains an internal lithium manganese dioxide, a vanadium pentoxide, or an alkaline battery that provides power to the real-
time clock.
WARNING: WARNING:
If this battery is not properly handled, a risk of the fire and burns exists. To reduce the risk of personal injury:
Do not attempt to recharge the battery.
Do not expose the battery to temperatures higher than 60°C (140°F).
Do not expose the battery to extremely low air pressure as it might lead to explosion or leakage of flammable liquid or
gas.
Do not disassemble, crush, puncture, short external contacts, or dispose the battery in fire or water.
Removing and replacing the system battery Removing and replacing the system battery
About this task About this task
Before you perform this procedure, make sure that you have a small flat-bladed, nonconductive tool available.
Procedure Procedure
1. Power down the server.
2. If installed, open the cable management arm.
HPE ProLiant DL385 Gen11 Server Maintenance and Service Guide 209