COWOOGMZ LK03XL Battery Replacement for HP Envy X360 – 55.8Wh, 11.55V

Elevate Your HP Envy X360 Experience

When a laptop battery no longer holds charge like it used to, the LK03XL from COWOOGMZ offers a practical upgrade. This replacement battery is designed to fit a wide range of HP Envy X360 models, delivering steady power for everyday tasks, whether you are streaming, editing documents, or working on the go.

Designed with real-life use in mind, this battery emphasizes reliable performance and thoughtful engineering. It’s built to support smooth startup, responsive responsiveness during tasks, and steadier runtime between charges, helping you stay productive without constant recharging interruptions.

Power, Capacity, and Efficiency

Key specifications include a 4835mAh (55.8Wh) capacity with a nominal 11.55V rating. The 3-cell design balances weight and runtime, enabling faster top-ups while aiming for efficient power use during long sessions. High-quality materials and a robust circuit layout support safer charging and more consistent performance in daily use.

• High energy capacity: 4835mAh / 55.8Wh for extended unplugged use
• Nominal voltage: 11.55V, compatible with multiple HP Envy X360 configurations
• 3-cell design for a compact form and reliable cycle life
• Fast charging compatibility paired with efficient power management for everyday tasks

Compatible Part Numbers and Models

This LK03XL battery replaces several cross-reference parts and fits a broad selection of Envy X360 laptops. It covers variants across 15-inch and 17-inch lines, with cross-best-match references including LK03XL, LKO3XL, L09281-855, 916814-855, and 916368-421, among others.

• HP Envy X360 15 and 17 series across BP, BQ, CN, CP, AE families
• Numerous 15m and 17m variants and submodels in daily use catalogs
• Broad compatibility with common HSTNN and TPN references for reliable replacements

Quality, Safety, and Support

Crafted with dependable materials and a solid circuit board, the LK03XL is built to support safe charging and stable performance. Our service team is available via 24-hour email support to help with installation guidance or after-sales questions.

Practical Scenarios

Ideal for home offices, classrooms, or on-the-road productivity. This replacement can help maintain mobility, reduce downtime, and keep your HP Envy X360 ready for work, study, or creative tasks without frequent pauses for charging.