HP EliteBook 840 G5 Main Battery Pack - Batterie - 4.113 mAh (HSTNN-1B8C)

Professionals who rely on their HP EliteBook 840 G5 or 850 G5 throughout the workday know that a dependable battery is non-negotiable. This genuine HP main battery pack keeps you productive in meetings, on the road, or at a desk far from an outlet. With a 4113 mAh capacity and 47.5 Wh of energy, it delivers the staying power you need for documents, spreadsheets, video calls, and more. Built to HP's exact specifications, it fits securely and communicates accurately with the system for reliable charge reporting.

Key specifications

• Battery type: Lithium-Ion (Li-Ion)
• Capacity: 4113 mAh / 47.5 Wh
• Voltage: 11.55 V
• Cells: 3-cell
• Compatibility: HP EliteBook 840 G5, 850 G5; HP ZBook 14u G5, 15u G5
• Part numbers: HSTNN-1B8C, L08496-855, L08544-005
• Colour: Black
• Condition: New, OEM

Why choose it

This is an original HP battery, not a third-party substitute. It meets strict safety and performance standards, ensuring your laptop runs as intended. The 3-cell design balances weight and runtime, while the Li-Ion chemistry provides consistent output over hundreds of charge cycles. Swapping in a fresh battery can restore your notebook to all-day usability without the expense of a new computer.

Ideal use cases

• Mobile professionals who need a full workday away from AC power
• IT departments maintaining fleets of HP EliteBook and ZBook laptops
• Users experiencing short battery life or unexpected shutdowns
• Anyone who wants a spare battery for travel or extended use

Good to know

Installation is straightforward: power down the laptop, release the bottom cover, and swap the battery. No special tools are required. For best results, fully charge and discharge the battery a few times after installation to calibrate the fuel gauge. Store spare batteries at around 50% charge in a cool, dry place to preserve their lifespan.