Futurebatt LK03XL Battery for HP Envy X360 55.8Wh

Futurebatt LK03XL is a direct-replacement Li-ion laptop battery designed to restore full runtime to compatible HP Envy X360 15- and 17-inch convertible models.

If your HP Envy X360 shows reduced battery life, refuses to hold charge, or you need a like-for-like replacement, the Futurebatt LK03XL supplies the correct 11.55V voltage and 55.8Wh capacity in a 3-cell pack engineered to match OEM fit and function. This battery is built to industry safety standards and comes with a 12-month warranty and a straightforward return window.

Will this battery fit my HP Envy X360 model?

Compatibility depends on the specific model number, not just the series name. The LK03XL fits many HP Envy X360 15- and 17-inch variants, but please verify your laptop’s exact model or part number against the listed compatible part numbers before ordering.

• Fits numerous 15m and 17m series models (examples: 15m-bp112dx, 17m-ae111dx).
• Compatible part numbers include LK03XL, 916368-421, 916814-855, and others listed by Futurebatt.
• Do not buy based only on series—confirm full model or part number.

How long will the LK03XL keep my laptop running?

The LK03XL supplies 55.8Wh of energy at 11.55V, which restores the laptop to near-original runtime depending on workload and settings. Real-world battery life varies by brightness, apps, wireless use, and power profile settings.

• Rated capacity: 55.8Wh (3-cell Li-ion pack).
• Nominal voltage: 11.55V to match OEM specifications.
• Expected cycle life: around 500 recharge cycles under normal use.

Is the battery safe and covered by warranty?

Futurebatt batteries include built-in circuit protections and meet CE, RoHS, and FCC requirements to reduce risk and comply with environmental standards. The product is backed by a 12-month warranty and a 30-day money-back policy for peace of mind.

• Certifications: CE, RoHS, FCC compliance asserted by manufacturer.
• Protection features: internal circuit safeguards against overcharge/overcurrent.
• Support: 12-month warranty and 30-day return window via your order portal.

What should I check before installing this battery?

Before purchasing or fitting the LK03XL, confirm your laptop’s exact model and part number; check that screw layout and connector orientation match your existing battery. Use correct installation procedures and avoid forcing the pack into place to prevent damage.

• Verify exact laptop model and part number against the compatibility list.
• Inspect connector shape and screw positions vs your current battery.
• Power down the laptop and follow manufacturer-recommended installation steps.

Who is this for: The Futurebatt LK03XL is intended for HP Envy X360 owners who need a reliable, cost-effective replacement battery that restores usable runtime and maintains proper voltage. It’s suitable for power users and everyday users with compatible 15- and 17-inch Envy X360 models, repair shops replacing failing packs, and anyone seeking a certified aftermarket battery with a warranty and clear compatibility guidance.