HP EliteBook 820 G1, HP EliteBook 725 G2, & EliteBook 720 G1 Notebook PCs - Maintenance and Service Guide

Battery
Description Spare part number
3-cell, 46-WHr, 4.15-AHr, Li-ion long life battery 717378-001
3-cell, 26-WHr, 2.50-AHr, Li-ion long life battery 717377-001
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 service cover (see
Service cover on page 67).
WARNING! To reduce potential safety issues, use only the battery provided with the computer, a
replacement battery provided by HP, or a compatible battery purchased from HP.
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 or shut down the computer through Windows before
removing the battery.
Remove the battery:
1. Slide the battery lock latches (1) to unlock the battery.
Component replacement procedures 69