Battery HP EliteBook 755 G4 840 G4 854108-850

The HP 854108-850 battery is a Lithium-Ion replacement power unit compatible with HP EliteBook 755 G4 and 840 G4 laptops. Designed to restore mobile runtime, it offers a balance of capacity and weight for business users who need reliable, portable power. The black housing matches the laptop aesthetic and allows straightforward installation without tools.

Advantages

This Lithium-Ion battery provides consistent voltage output and stable discharge characteristics to support everyday office tasks and on-the-go use. Its lightweight construction reduces device bulk while delivering extended runtime compared with deeply discharged internal cells. The pack is manufactured to meet safety and performance norms for notebook batteries, helping maintain system stability during normal operation.

Key specifications

• Battery technology: Lithium-Ion (Li-Ion)
• Colour: Black
• Form factor: Removable pack designed for laptop installation
• Compatibility: Intended for compatible HP EliteBook 755 G4 and 840 G4 series

How to use

Power down the laptop and disconnect any external power source before replacing the battery. Remove the service cover or battery latch according to the laptop manual, slide the old pack out and insert the HP 854108-850 battery until it seats securely. Reattach the cover, reconnect power, and allow the system to detect the new battery. Perform an initial full charge cycle and calibrate battery reporting if necessary through the operating system or BIOS utilities.

Recommendations

Store the battery in a cool, dry place and avoid prolonged exposure to high temperatures. Use the laptop’s power management settings to extend battery life, and follow manufacturer guidance for disposal or recycling of used batteries.