Remove the SMM3 battery

Use this information to remove the SMM3 battery.

About this task

S004

CAUTION

When replacing the lithium battery, use only Lenovo specified part number or an equivalent type of 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:

• Throw or immerse into water
• Heat to more than 100°C (212°F)
• Repair or disassemble

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

S005

CAUTION

The battery is a lithium ion battery. To avoid possible explosion, do not burn the battery. Exchange it only with the approved part. Recycle or discard the battery as instructed by local regulations.

Attention

• Read Installation Guidelines and Safety inspection checklist to ensure that you work safely.

Watch the procedure

• A video of this procedure is available at YouTube.

Procedure

1. Make preparations for this task.
   1. Remove the SMM3. See Remove the SMM3.
   2. If you want to migrate current enclosure settings and the enclosure mid-plate VPD onto the new SMM3, make sure you have done the following:

      1. You had performed SMM3 settings backup, the enclosure VPD backup, and the mid-plate VPD backup procedures.

      2. Keep the old USB key which is removed from the SMM3 and install it onto the new SMM3.

2. Locate the battery.
   Figure 1. SMM3 battery location
   
   

   Table 1. SMM3 battery location

   1 SMM3 battery

3. Remove the SMM3 battery
   1. Insert a tool with small tip between the battery and the socket; then, slightly rotate the tool.
   2. Remove the battery from the socket.
   Figure 2. Removing the SMM3 battery
   
   

   Note

   Do not lift the battery by using excessive force. Failing to remove the battery properly may damage the socket on the SMM3. Any damage to the socket may require replacing the SMM3.
4. Dispose of the battery as required by local ordinances or regulations. See Environmental Notices for more information.
5. Store original SMM3 VPD back to new SMM3 for warranty remaining, if it is replaced.