Accu HP ZBook 15 G3 ZBook 15 G4 808452-002

The HP 808452-002 battery is a replacement Lithium‑Ion power unit designed for HP ZBook 15 G3 and ZBook 15 G4 mobile workstations. It delivers stable power to support professional applications and mobile workflows. With a rated capacity of 2635 mAh and a compact form factor in black, this battery restores runtime for users who need reliable operation away from mains power.

Advantages

This Lithium‑Ion battery provides consistent voltage and stable discharge characteristics for sustained performance during CPU- and GPU-intensive tasks. Its original-compatible design ensures fitment with the chassis and connectors of HP ZBook 15 G3 and G4 models, while the moderate weight contributes little to overall laptop mass. The battery's construction emphasizes cycle life and reliable charging behavior under standard charging systems used by these workstations.

Suitable for

• Replacing a worn or failing battery in HP ZBook 15 G3
• Replacing a worn or failing battery in HP ZBook 15 G4
• On-site and mobile professional work where extended runtime is required
• Backup battery for field service, CAD, and multimedia workloads

Key specifications

• Battery technology: Lithium‑Ion (Li‑Ion)
• Rated capacity: 2635 mAh
• Weight: 0.3 kg
• Colour: Black
• Compatible device type: Mobile workstation battery for HP ZBook 15 series

How to use

Power down the laptop and disconnect the mains adapter before removing the existing battery. Follow the service manual or manufacturer instructions to access and remove the old battery, taking care to unplug the battery connector and unscrew any retaining fasteners. Install the replacement battery by seating it in the battery bay, connecting the battery connector, and securing any screws or clips. After assembly, connect the mains adapter and allow the battery to charge to full capacity before performing normal use and calibrating battery reporting if desired.

Recommendations

Use the battery with the original or specified HP charging adapter and keep firmware and power management drivers up to date. Avoid exposing the battery to extreme temperatures and store partially charged if unused for long periods. If the battery shows swelling, excessive heat, or rapid capacity loss, discontinue use and replace it to maintain device safety.