Labels: DOCUMENTED = taken from HP's manual; PROPOSED = our own joining or ordering of HP's directions, not an HP instruction; UNPERFORMED = a suggested check that has not been carried out.
Applies to
HP EliteBook 850 G4. Confirm the exact model on the service label before starting.
HP EliteBook 850 G4 Notebook PC battery replacement. HP prints this procedure on printed page 38 of its maintenance and service guide, and the spare-part table for this part is on printed page 21.
Tools and parts
- Screwdrivers and a non-marking pry tool as HP lists for this procedure
- Static-safe work surface
854108-850- Battery, 3-cell, 51 WHr, 4.42 Ah. Source: printed page 38.
Preparation
Save your work and shut the computer down through the operating system, unplug AC power and every external device, and work on a clean, grounded, ESD-protected surface while sorting each screw by its original location. Handle every cable by its connector and put each one back in its own place during reassembly.
Replacement
- Power the machine down. If you are unsure whether the machine is off or in Hibernation, turn the machine on, and after that shut it down through the operating system. (printed page 38).
- Detach every external device wired to the machine. (printed page 38).
- Cut the power by pulling the cord out of the wall outlet, and after that unplugging the AC adapter from the machine. (printed page 38).
- Take the bottom cover off (the Bottom cover section is on page 34). (printed page 38).
- Fit the replacement part by working back through the printed removal steps (printed page 38).
Part numbers in our catalog
- HP 3-cell 51Wh battery 854108-850 (854108-850)
Check each part page for its source and variant notes before ordering.
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-elitebook-850-g4-battery-replacement-p38