Battery - HP EliteBook 820 G4 Maintenance And Service Manual

Battery

Description
3-cell, 49 WHr, 4.25 Ah Li-ion battery
Before removing the battery, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the bottom cover (see
To remove the battery:
WARNING!
computer, a replacement battery provided by HP, or a compatible battery purchased from HP.
CAUTION: Removing a user-replaceable battery that is the sole power source for the computer can cause
loss of information. To prevent loss of information, save your work or shut down the computer through
Windows before removing the battery.
▲ Loosen the captive screw (1) and lift the tab (2) to remove the battery from the computer (3).
To insert the battery, reverse the removal procedures.
Bottom cover on page
To reduce potential safety issues, use only the user-replaceable battery provided with the
30).
Component replacement procedures
Spare part number
854109-850
35