HPE ProLiant DL345 Gen11 Service And Maintenance Manual page 250

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.
3. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
4. Disconnect all peripheral cables from the server.
HPE ProLiant DL345 Gen11 Server Service and Maintenance Guide 250