Battery - HP EliteBook 840r G4 Maintenance And Service Manual

Battery

Description
3-cell, 46 WHr, 4.08 Ah Li-ion battery
Before removing the battery, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
4. Remove the bottom cover (see
To remove the battery:
CAUTION: Removing a battery that is the sole power source for the computer can cause loss of information.
To prevent loss of information, save your work and shut down the computer through Windows before
removing the battery.
Loosen the two captive screws (1), and then pull the tab (2) to lift the battery and remove it from the
▲
computer (3).
Reverse the removal procedures to install the battery.
Bottom cover on page 30).
Spare part number
854108-850
Component replacement procedures 33