Fancy Buying HW03XL 41.04Wh Laptop Battery for HP Pavilion

This is a Fancy Buying replacement HW03XL 41.04Wh polymer laptop battery designed to restore portable power to compatible HP Pavilion 15 and 17 notebooks.

If your HP Pavilion shows rapidly declining runtime or won’t power on without the charger, the HW03XL from Fancy Buying is a direct-fit battery option built to match the original pack’s voltage and dimensions. It provides an 11.34V, 41.04Wh, 3-cell polymer solution with multiple compatible part numbers, so it’s useful for owners of several 15-inch and 17-inch Pavilion configurations who need a straightforward swap.

Which HP models and part numbers is this battery compatible with?

The Fancy Buying HW03XL is compatible with many HP Pavilion 15 and 17 series models and several OEM part numbers. Check the list below against your laptop’s service label or existing battery part number to confirm fit before ordering.

• Supports Pavilion 15-EG, 15-EH, 15T-EG, 15Z-EH, 15-GW and 17-CN, 17-CP, 17S-CU, 17T-CN, 17Z-CP series.
• Matches OEM numbers: HW03XL, HSTNN-IB90, HSTNN-IB9O, HSTNN-LB8U, HSTNN-OB2A.
• Also listed for L96887-1D1, L96887-421, L96887-AC1, L97300-005, HWO3XL, HW03041XL.

How will performance and safety features affect daily laptop use?

This replacement battery is a polymer pack rated at 11.34V and 41.04Wh, offering dependable energy for web browsing, document editing, and streaming. It includes built-in protections to reduce risk from overcharging, overheating, and short circuits, helping maintain safe operation while charging and discharging.

• 41.04Wh capacity supports moderate daily workloads away from power outlets.
• Polymer chemistry keeps the pack thin and lightweight for portable use.
• Internal protection circuits safeguard against overcharge, overheating, and short-circuit events.

Is installation difficult and what comes in the package?

Installation is designed to be user-friendly: the battery is a like-for-like replacement that typically installs by removing the back cover and swapping the pack with the connector aligned. The package includes basic auxiliary installation tools and a short user guide to simplify the swap.

• Package includes 1x HW03XL battery, two auxiliary tools, and a user guide.
• Connector and mounting points match HP Pavilion models listed for a direct swap.
• Recommended: power down laptop and follow static-safety precautions before opening.

Will this battery work long-term and how should I care for it?

Like all lithium polymer batteries, long-term performance depends on usage and storage patterns. Avoid extreme temperatures, do not store fully discharged for long periods, and use routine charge cycles to help preserve capacity over time.

• Avoid exposing the laptop to temperatures above recommended operating ranges.
• Store at about 40–60% charge if not in use for months.
• Use the laptop’s power-management settings to reduce unnecessary discharge cycles.

Who is this for: The Fancy Buying HW03XL battery is intended for HP Pavilion owners who need a direct replacement for diminished or dead batteries in 15-inch and 17-inch Pavilion models. It’s suited for students, business travelers, and home users who want an affordable, ready-to-install pack that matches several OEM part numbers and restores mobile runtime without replacing the entire laptop.