HP EliteBook 800 EliteBook 820 G4 Notebook PC EliteBook 828 G4 Notebook PC Mai - Page 45

Battery, WARNING, CAUTION

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Battery Description 3-cell, 49 WHr, 4.25 Ah Li-ion battery Spare part number 854109-850 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 Bottom cover on page 30). To remove the battery: WARNING! To reduce potential safety issues, use only the user-replaceable battery provided with the 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. Component replacement procedures 35

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Battery
Description
Spare part number
3-cell, 49 WHr, 4.25 Ah Li-ion battery
854109-850
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
Bottom cover
on page
30
).
To remove the battery:
WARNING!
To reduce potential safety issues, use only the user-replaceable battery provided with the
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.
Component replacement procedures
35