Battery pack for HP EliteBook 840 G5 — 11.55V, 4113mAh

Replacement battery pack compatible with HP EliteBook 840 G5. Rated at 11.55V and 4113mAh, this battery restores portable power for everyday mobile use, extending runtime for office tasks, web browsing and media playback. Designed as a direct swap for the original battery in the specified laptop model, it installs without modifications and returns the device to typical on‑the‑go operation.

Advantages

This battery pack offers a balance of capacity and voltage tuned for the HP EliteBook 840 G5, providing reliable power for standard productivity workflows. The unit is designed for straightforward replacement, allowing fast installation and immediate use. It maintains compatible electrical characteristics to ensure stable operation with system power management and charging circuitry.

Suitable for

• Extending runtime for office applications and document editing
• Mobile presentations and business travel
• Web browsing, email and light media playback
• Replacing a worn or degraded original battery in the specified laptop model

Key specifications

• Nominal voltage: 11.55 V
• Capacity: 4113 mAh
• Chemistry type: lithium‑ion (Li‑ion)
• Form factor: internal laptop battery designed for the listed model
• Typical use: portable power for business laptops

How to use

Power down the HP EliteBook 840 G5 and disconnect any external power source. Remove the laptop back cover according to the manufacturer’s service instructions, replace the original battery with the new pack, secure connectors and fasten any retaining screws. Reassemble the back cover, reconnect external power and perform a full charge cycle before regular use to allow the system to recognize battery capacity and calibration.

Recommendations

Use the replacement battery with the intended laptop model and follow HP’s safety and handling guidelines. Avoid exposure to extreme temperatures, moisture and mechanical shock. For best longevity, cycle the battery periodically and store it at about 40–60% charge if not in use for extended periods.