SUNNEAR HW03XL Laptop Battery Replacement for HP Pavilion 15/17 Series | 41.04Wh Li-ion 11.34V

Power you can rely on, when you need it

Meet the SUNNEAR HW03XL replacement battery, a practical upgrade designed for compatible HP Pavilion notebooks. This 11.34V Li-ion pack stores 41.04Wh of energy, delivering a solid balance between compact form and usable runtime. The kit comes with installation tools, supporting a straightforward swap that lets you refresh your device without sourcing separate accessories. Whether you’re moving between classrooms, meetings, or a cozy cafe, this battery is meant to help you work, study, and entertain with fewer interruptions.

Built to suit a broad range of Pavilion configurations, the HW03XL is positioned as a flexible substitute for many 15-inch and select 17-inch models. The product notes emphasize careful model confirmation by opening the back cover to read the original battery number, reflecting the diverse HP lineup in circulation. The Li-ion chemistry is chosen for reliable energy delivery and familiar charging behavior, aligning with standard notebook power management expectations. When installed correctly, you may experience consistent power delivery that supports unplugged use during commutes, library sessions, or home workflows.

What’s included

• HW03XL replacement battery
• Installation tools
• Model confirmation notes

Compatibility at a glance

• For HP Pavilion 15-EG family (including 15-EG000 and 15-eg0073cl/15-eg1053cl) and 15-EH family variants
• Supports Pavilion 15T-EG and 15Z-EH series as listed
• Fits select 17-CN and 17-CP series laptops
• Also compatible with related HP 240/245/250/255 G-series and 470 G8 family models

Important purchasing note

• Model matching can be tricky; open the back cover to confirm the original battery model number before purchasing

Getting started and care tips

• If the new battery isn’t recognized on first connection, re-seat the interfaces and ensure the connection is fully seated
• Discharge the battery to about 5% (not 0%), then recharge and complete 3–4 power cycles to wake up the new cell
• Handle the replacement with care and follow standard safety precautions during installation

Why choose SUNNEAR replacement

Sunnear’s HW03XL offers a practical, ready-to-install power solution for HP Pavilion users seeking to restore mobility without replacing the entire device. The included tools simplify the swap, and the broad compatibility supports several Pavilion variants, potentially extending the laptop’s useful life with an energy-rich Li-ion pack.