Statement 2:

CAUTION:

When replacing the lithium battery, use only a 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:

vThrow or immerse into water

vHeat to more than 100°C (212°F)

vRepair or disassemble

To remove the battery, do the following:

1.Read the safety information (see “Safety” on page vii and “Installation guidelines” on page 37).

2.Follow any special handling and installation instructions that come with the battery.

3.Turn off the server and all attached devices; then, disconnect all power cords and external cables.

4.Carefully position the server flat on its side so that it is facing up. Note: Do not allow the server to fall over.

5.Unlock and remove the side cover (see “Removing the side cover” on page 43).

6.Remove any adapters that impede access to the battery.

7.Locate the battery on the system board (see “System-board internal connectors” on page 28 for the location of the battery on the system board).

8.Remove the battery:

a.Use a finger to push the battery horizontally out of its socket, pushing it away from the socket 1.

b.Lift and remove the battery from the socket 2.

9. Dispose of the battery as required by local ordinances or regulations.

Installing the battery

The following notes describe information that you must consider when replacing the battery in the server.

vAfter you replace the battery, you must reconfigure the server and reset the system date and time.

Chapter 5. Installing optional devices and replacing customer replaceable units 55

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Lenovo 3809, 3836, 3826, 3724, 3824, 3808, 3815, 3817 manual Installing the battery, Do not