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Install the system battery

The system battery is in the I/O tray that is accessed from the rear of the server. With the I/O tray removed from the chassis, insert the system battery in the I/O tray.

disconnect all power
The power-control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source.

When replacing the lithium battery, use only Lenovo specified part number 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.

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.
Make sure that all server power cords are disconnected from their power sources before performing this procedure.

When replacing the system battery in the server:

  • You must replace the system battery with another battery of the same type from the same manufacturer.
  • After you replace the system battery, you must reconfigure the server and reset the system date and time.

Before installing the system battery:

To install the system battery, complete the following steps:

Complete the following steps to install a system battery.

Figure 1. System battery installation

  1. Follow any special handling and installation instructions that come with the replacement battery.
  2. Face the positive (+) symbol toward the center of the I/O tray; then, place the battery into the battery retainer.
  3. Press the top of the battery into the retainer until it clicks in place.

After installing the system battery, complete the following steps:

  1. Install the adapter in slot 8. See Install a PCIe adapter in slot 5 to 8.

  2. Install the riser for slot 1 to 4 (riser 1). See Install the riser for slot 1 to 4 (riser 1).

  3. If any of the adapters in the I/O tray have internal cables, make sure that they are connected before installing the I/O tray.

  4. Install the I/O tray in the chassis and connect all cables. See Install the I/O tray.

  5. Reconfigure the server and reset the system date and time. See System configuration.

Demo video

Watch the procedure on YouTube