Removing the system battery

The following notes describe information that you must consider when replacing the battery:

• Lenovo has designed this product with your safety in mind. The lithium battery must be handled correctly to avoid possible danger. If you replace the battery, you must adhere to the following instructions.
  Note

  In the U. S., call 1-800-IBM-4333 for information about battery disposal.
• If you replace the original lithium battery with a heavy-metal battery or a battery with heavy-metal components, be aware of the following environmental consideration. Batteries and accumulators that contain heavy metals must not be disposed of with normal domestic waste. They will be taken back free of charge by the manufacturer, distributor, or representative, to be recycled or disposed of in a proper manner.
• To order replacement batteries, call 1-800-IBM-SERV within the United States, and 1-800-465-7999 or 1-800-465-6666 within Canada. Outside the U.S. and Canada, call your support center or business partner.
  Note

  After you replace the battery, you must reconfigure the server and reset the system date and time.
  Statement 2
  
  
  CAUTION

  When replacing the lithium battery, use only Part Number 33F8354 or an equivalent type 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.

To remove the battery on the 4U server model with non-hot-swap power supplies, complete the following steps. For the 5U server model with hot-swap power supplies, please see the next sub-section.

1. Read the safety information in Safety and Installation guidelines.
2. Turn off the server and all attached devices; then, disconnect all power cords and external cables.
3. Carefully turn the server on its side so that it is lying flat, with the cover facing up.
   Attention

   Do not allow the server to fall over.
4. Remove the side cover (see Removing the side cover).
5. Remove the air baffle (see Removing the air baffle).
6. Locate the battery on the system board (see System-board internal connectors).
7. Remove the battery:
   1. Use one finger to tilt the battery horizontally out of its socket, pushing it away from the socket.
   2. Lift and remove the battery from the socket.
      Figure 1. System battery removal for 4U server model with non-hot-swap power supplies
      
      

To remove the battery on the 5U server model with hot-swap power supplies, complete the following steps. For 4U server models with non-hot-swap power supplies, please see the above sub-section.

1. Read the safety information in Safety and Installation guidelines.
2. Turn off the server and all attached devices; then, disconnect all power cords and external cables.
3. Unlock and remove the side cover (see Removing the side cover).
4. Carefully turn the server on its side so that it is lying flat, with the cover facing up.
   Attention

   Do not allow the server to fall over.
5. Locate the battery on the system board (see System-board internal connectors).
6. Remove the battery:
   1. Use one finger to tilt the battery horizontally out of its socket, pushing it away from the socket.
   2. Lift and remove the battery from the socket.
      Figure 2. System battery removal for 5U server model with hot-swap power supplies