HP ZBook 17 Maintenance and Service Guide - Page 53

Battery Battery for use in standard models Description 6 cell HP Long Life Prismatic 96 Whr (4.21 Ahr) Li-ion battery Spare part number 808451-001 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 door (see Service door on page 36). 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. 1. Disconnect the battery cable from the system board (1). 2. Remove the three Phillips screws (2) that secure the battery to the computer. Component replacement procedures 39