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Dell EMC PowerEdge MX740c Installation and Service Manual

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Replacing the system battery - Option A

Prerequisites

NOTE There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions. See the safety instructions that came with your system for more information.
  1. Follow the safety guidelines listed in Safety instructions.
  2. Follow the procedure listed in Before working inside the sled.

Steps

  1. Locate the system battery on the system.
  2. To remove the battery:
    1. Push the battery toward the positive side of the battery until the battery disengages from the connector.
    2. Lift the battery away from the system.
    Figure 1. Removing the system battery
    This image shows how to remove the system battery.
  3. To install a new system battery:
    1. Hold the battery with the + sign facing the positive side of the battery connector.
    2. Insert the battery down into the connector and push the positive side of the battery until the battery snaps into place.
    Figure 2. Installing the system battery
    This image shows how to install the system battery.

Next steps

  1. Follow the procedure listed in After working inside your sled.
  2. Enter the System Setup to confirm that the battery is operating properly.
  3. Enter the correct time and date in the System Setup's Time and Date fields.
  4. Exit the System Setup.
  5. To test the newly installed battery, remove the system from the enclosure, for at least an hour.
  6. Reinstall the system into the enclosure, after an hour.
  7. Enter the System Setup and if the time and date are still incorrect, see Getting help.

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