Lenovo THINKSERVER 3821 - Manual (Page 181)

6. Locate the battery on the system board (see “System-board internal connectors”
on page 131).
7. Remove the battery:
a. Use one finger to push the battery horizontally out of its socket, pushing it
away from the socket.
b. Lift and remove the battery from the socket.
8. Dispose of the battery as required by local ordinances or regulations.
Installing the battery
The following notes describe information that you must consider when you replace
the battery in the server:
v You must replace the battery with a lithium battery of the same type from the
same manufacturer.
v After you replace the battery, you must reconfigure the server and reset the
system date and time.
v To avoid possible danger, read and follow the following safety statement.
Statement 2:
CAUTION:
When replacing the lithium battery, use only the battery recommended by the
manufacturer. If your system has a module containing a lithium battery,
replace it only with the same module type made by the same manufacturer.
The battery contains lithium and can explode if not properly used, handled, or
disposed of.
Do not:
v Throw or immerse into water
v Heat to more than 100° C (212° F)
v Repair or disassemble
Chapter 7. Installing optional devices and replacing customer replaceable units 173