HP ProLiant ML310e Gen8 v2 Server Maintenance and Service Guide

Removal and replacement procedures 50
System battery
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 to 10 years.
WARNING: The computer contains an internal lithium manganese dioxide, a vanadium
pentoxide, or an alkaline battery pack. A risk of fire and burns exists if the battery pack is not
properly handled. 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 disassemble, crush, puncture, short external contacts, or dispose of in fire or water.
Replace only with the spare designated for this product.
To remove the component:
1. Power down the server (on page 27).
2. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
3. Unlock the tower bezel (on page 26).
4. Remove the access panel ("Access panel" on page 28).
5. Locate the battery on the system board.
6. Remove the battery.
IMPORTANT: Replacing the system board battery resets the system ROM to its default
configuration. After replacing the battery, reconfigure the system through RBSU.
To replace the component, reverse the removal procedure.
For more information about battery replacement or proper disposal, contact an authorized reseller or an
authorized service provider.