ASUNCELL LK03XL 55.8Wh Battery for HP Envy X360 | L09281-855 916814-855 Replacement

Revive Your HP Envy X360 with the ASUNCELL LK03XL Replacement Battery

If your laptop struggles to hold a charge, a reliable replacement can restore everyday freedom—whether you’re working on the go, streaming, or learning remotely. The ASUNCELL LK03XL battery offers a practical balance of capacity, safety, and ease of install, designed for HP Envy X360 and related notebooks.

Key specs at a glance

• 55.8Wh capacity at 11.55V, built as a 3-cell Li‑ion pack
• 100% brand new, with consistent energy delivery across uses
• Up to 500 recharge cycles for extended service life
• Includes a free screwdriver and a prying tool for straightforward replacement
• Safety-first design with overcharge, over-discharge, over-current, and short-circuit protection
• CE and FCC certifications confirming compliance with common safety standards
• 1-year hassle-free warranty on labor and materials

Compatibility and installation

The LK03XL is designed to fit a broad range of HP notebooks in the Envy X360 and Pavilion X360 families. Commonly referenced model lines include 15m, 15b, 15n, 17t, and related 15cr/17bw series. Because HP uses multiple part numbers across generations, please verify your exact model number against the listed compatibility tokens before purchasing. This helps ensure you select the correct replacement and maximize performance from your device.

Replacement is straightforward with the included toolset. The design emphasizes reliable seating and stable power delivery, reducing downtime between charges. For best results, ensure the battery is compatible with your chassis and follow the included safety tips during installation. If you have questions about fit, our support team is ready to help confirm compatibility.

Real-world use scenarios

Imagine longer work sessions between outlets, streaming through longer commutes, or tackling creative tasks without the constant anxiety of a dying battery. The LK03XL can serve as an upgrade option for users who value steadier unplugged time and dependable power delivery in daily routines, classrooms, or remote work setups.

Safety, certifications, and warranty

• Certified by CE and FCC for safety and reliability
• Includes built-in protections against common electrical issues
• 1-year warranty supports coverage for manufacturing defects and workmanship

Note: This replacement is intended for devices that match the LK03XL family’s compatibility range. Always confirm model numbers before purchasing to avoid mismatches. This approach helps you make a confident upgrade without surprises.