Laptop Battery Pack HP EliteBook 840 G5 11.55V 4113mAh HSTNN-LB8G

Replacement battery pack for HP EliteBook 840 G5 with a rated voltage of 11.55V and a nominal capacity of 4113mAh (model HSTNN-LB8G). This battery pack is designed to restore or extend the run time of the specified laptop and serves as an OEM-compatible power source for everyday mobile use including office tasks, web browsing and presentations. The pack is intended for direct swap with the compatible EliteBook model and provides the specified voltage and capacity to maintain stable portable operation.

Advantages

The battery pack delivers the rated 11.55V output and 4113mAh capacity to provide predictable battery life for typical office and mobile workflows. It is designed for compatibility with the HP EliteBook 840 G5 form factor and power requirements, allowing straightforward installation without modification. The pack offers consistent power delivery for common tasks and helps maintain device portability when the original battery no longer holds sufficient charge.

Suitable for

• Replacing a worn or faulty battery in HP EliteBook 840 G5
• Extending run time for longer mobile working sessions
• Office productivity tasks such as document editing and email
• Web browsing, online meetings and presentations

Key specifications

• Rated voltage: 11.55V
• Nominal capacity: 4113mAh
• Compatibility: HP EliteBook 840 G5
• Form factor: internal laptop battery pack designed for direct replacement

How to use

Power down the laptop and disconnect any external power source before beginning. Remove the service cover or battery access panel according to the EliteBook 840 G5 maintenance instructions, then disconnect and remove the existing battery. Install the replacement pack by aligning connectors and securing it in the original mounting location, then reattach the cover and reconnect power. After installation, charge the battery fully before regular use to allow the system to calibrate charge reporting.

Recommendations

Use the replacement battery with the specified HP EliteBook 840 G5 only. Charge and discharge the battery according to normal laptop usage patterns and avoid prolonged exposure to extreme temperatures. For optimal long-term performance, store the battery in a cool, dry place if the laptop will not be used for an extended period.