Battery
Description
Spare part number
2-cell, 30-Wh, 4.0-Ah, Li-ion battery (includes battery cable and WWAN/GPS main transceiver and
antenna cable)
728558-005
Before removing the battery, follow these steps:
1.
Turn off the tablet. If you are unsure whether the tablet is off or in Hibernation, turn the tablet on, and
then shut it down through the operating system.
2.
Disconnect the power from the tablet by unplugging the power cord from the tablet.
3.
Disconnect all external devices from the tablet.
4.
Remove the display assembly (see
Display assembly on page 28
).
5.
Remove the NFC antenna (see
NFC antenna on page 35
).
6.
Remove the power button board (see
Power button board on page 42
).
Remove the battery:
1.
Release the volume button board cable from the retention clips (1) built into the battery.
2.
Release the tab (2) built into the bottom cover that secures the WWAN/GPS antenna cables, and then
release the antenna cables (3).
3.
Detach the WWAN/GPS main transceiver (4) from the bottom cover. (The WWAN/GPS main transceiver is
attached to the bottom cover with double-sided adhesive.)
4.
Remove the six Phillips PM1.3×2.0 screws (5) that secure the battery to the bottom cover.
48
Chapter 5 Removal and replacement procedures