BOWEIRUI SR03XL 52.5Wh Laptop Replacement Battery

BOWEIRUI SR03XL is a direct replacement Li-ion laptop battery (52.5Wh / 4550mAh, 11.55V) designed to restore runtime for compatible HP Pavilion, Envy x360 and selected HP 15/17 series models.

This replacement battery delivers the key electrical specs and safety features you expect from an OEM-equivalent pack while including the tools and guide to fit it yourself. It is built to match the SR03XL family of part numbers and works with many Pavilion Gaming, Pavilion 15-cx and Envy x360 15-CN/CP laptop variants. The pack uses circuit protection and meets CE, FCC, RoHS and UL standards to help maintain stable performance through everyday use.

Which HP models and original part numbers does this battery replace?

This SR03XL battery is compatible with a long list of HP part numbers and laptop series commonly shipped with 15-inch systems. It replaces SR03XL, SR04XL, L08855-855, SR03052XL and a range of TPN/HSTNN/L08934 service codes.

• Direct replacement for SR03XL / SR04XL / SR03052XL and L08855-855
• Interchangeable with HSTNN-DB8Q, HSTNN-IB8L, L08934-1B1, L08934-2B1
• Also fits TPN-C133, TPN-C134 and TPN-Q194 compatible systems

What are the battery's technical specifications and included items?

This battery delivers 52.5Wh of energy at 11.55 volts using rechargeable lithium-ion chemistry. The package is prepared for user installation and includes basic tools plus printed instructions so you can swap the old pack yourself.

• Voltage: 11.55V; Capacity: 52.5Wh / 4550mAh
• Chemistry: Li-ion with built-in circuit protection
• Package contents: 1x SR03XL battery, matching installation tool set, one instruction sheet
• Designed for up to ~500 charge cycles across its usable life

How safe and reliable is the BOWEIRUI SR03XL compared with the original pack?

Safety and compatibility are built into the design to align with the expectations of modern notebooks. The battery is produced to meet CE, FCC, RoHS and UL guidelines and includes overcurrent and thermal protection circuits to reduce risk during normal operation.

• Manufactured to meet international certifications for electronic safety
• Internal protection guards against overcharge, overdischarge and short circuits
• Quality checks ensure electrical compatibility with the listed HP models

Who is this for? If your HP Pavilion or Envy X360 15/17-series laptop no longer holds a charge, the BOWEIRUI SR03XL battery is a cost-effective replacement for technicians, students, remote workers and anyone who needs restored mobility without replacing the whole notebook. It’s suited for users comfortable performing a straightforward battery swap, or for technicians installing a tested, certified aftermarket pack that mirrors the original SR03XL specifications.