IEFUU LK03XL Replacement Battery for HP Envy x360 15/17

IEFUU LK03XL is a direct replacement 55.8Wh Li-ion battery compatible with many HP Envy x360 15- and 17-inch convertible notebooks, designed to restore run time and reliability.

If your HP Envy x360 shows reduced battery life or won’t hold a charge, this IEFUU LK03XL battery provides a drop-in replacement engineered to match the original specifications: 11.55V, 55.8Wh, 3-cell chemistry, and broad OEM part-number compatibility. It ships with helpful tools and an installation guide so you can swap it yourself without professional service.

Which HP models and part numbers does this LK03XL battery work with?

The IEFUU LK03XL supports a wide list of HP Envy 15 and 17 convertible model variants and multiple OEM part numbers. It’s designed to replace original batteries across many model codes so you can find a compatible match for your laptop.

• Fits HP Envy x360 15m and 17m families: 15-bp / 15-bq / 15-cn / 15m-bp / 15m-bq / 17-ae / 17m-ce and related SKUs.
• Replaces OEM part numbers like LK03XL, LKO3XL, 916814-855, L09281-855 and equivalents (see listing for complete codes).
• Compatible with model suffixes such as 15m-cn0012dx, 17m-ae011dx, 15-bp112dx and many more.
• Check your laptop’s battery part label or system information to confirm a match before purchase.

How long can I expect the battery to last and how many cycles does it support?

This battery uses Li-ion cells rated at 55.8Wh and is built to deliver reliable performance for typical mobile use. Under normal charging cycles you can expect hundreds of recharge cycles before noticeable capacity loss.

• Nominal capacity: 55.8Wh at 11.55V, 3-cell Li-ion construction.
• Designed for up to about 500 charge/discharge cycles over its useful life.
• Real-world longevity varies with thermal conditions, charge habits, and workload.

What’s included and how easy is it to install the IEFUU LK03XL?

The LK03XL comes as a ready-to-install unit with basic tools that make replacement straightforward for anyone comfortable opening laptop battery compartments. Installation steps are simple but require care to avoid damaging connectors.

• Package contents: 1 x LK03XL replacement battery, 2 x free screwdrivers, 1 x installation instruction sheet.
• Toolset covers common screws on HP Envy bottom panels so no extra tools are usually required.
• Follow the included guide or a trusted video tutorial to disconnect the old battery safely before fitting the new one.

Will this battery work safely and keep my laptop stable?

IEFUU batteries are manufactured to meet electrical and mechanical fit standards for the target models and include protective circuitry to prevent overcharge, over-discharge, and short circuits. Always use genuine or certified replacement batteries and follow safe handling and charging practices.

• Built-in protection circuitry helps maintain safe operation under normal use.
• Meets voltage and connection specifications to match OEM power delivery.
• Do not attempt to modify or disassemble the battery; dispose of old batteries at authorized recycling centers.

Who is this for: The IEFUU LK03XL replacement battery is aimed at HP Envy x360 owners who need to restore battery runtime without replacing the whole laptop — ideal for students, professionals, and travelers who rely on portable power. If you own a compatible 15-inch or 17-inch Envy convertible with a worn-out or failing battery and you want a straightforward, cost-effective swap with included tools, this battery is a practical option. Confirm model and part-number compatibility before ordering to ensure a proper fit.