Futurebatt MB04XL Battery for HP Envy x360 15-inch

Futurebatt MB04XL is a direct-fit replacement battery for a range of HP Envy x360 15-inch convertible laptops, offering 15.4V and 55.6Wh capacity designed to restore portable runtime.

If your HP Envy x360 15-inch laptop shows reduced battery life or won’t hold charge, the Futurebatt MB04XL is built to match original specifications while delivering safe charging and reliable cycle life. This Grade A unit is manufactured new, includes multi-layer protection circuitry, and is compatible with many HP part numbers and model variants—making it a practical swap for home, school, or work laptops that need a dependable power source again.

Which HP laptops does the MB04XL work with?

The MB04XL is engineered to fit numerous HP Envy x360 15-inch convertible models and their variant part numbers. It replaces OEM references such as MB04XL, MBO4XL, HSTNN-UB6X, 843538-541, and 844204-850, ensuring compatibility across several model codes.

• Envy x360 M6 series: M6-AQ000, M6-AQ003DX, M6-AQ005DX, M6-AQ103DX, M6-AQ105DX, M6-AR004DX
• 15-inch Envy x360 series: 15-AQ100, 15-AQ101, 15-AQ102, 15-AQ103, 15-AQ104, 15-AQ105, 15-AQ106 and similar
• Common OEM part numbers: MB04XL / MBO4XL / HSTNN-UB6X / 843538-541 / 844204-850

How long will the new battery run and how durable is it?

With a nominal capacity of 55.6Wh at 15.4V, this battery restores typical on-device runtime to levels similar to the original pack, depending on workload and power settings. The pack is assembled with quality cells and management circuitry designed for up to hundreds of charge cycles when used and charged under normal conditions.

• Capacity: 55.6Wh — suitable for moderate daily use like browsing and document work
• Voltage: 15.4V — matches OEM electrical requirements for stable operation
• Expected lifecycle: built for extended cycle life when charged properly

What safety features and protections are included?

Futurebatt installs multi-protection circuitry to reduce risk from overcharging, discharging, overheating, and short circuits. These safety layers help preserve the battery and the laptop while supporting consistent charging behavior.

• Overcharge and over-discharge protection to avoid stress on cells
• Temperature monitoring to reduce heat-related damage
• Short-circuit protection to protect laptop electronics and the battery

What support and warranty come with the battery?

Futurebatt backs the MB04XL with a customer-support policy that includes a 30-day refund window and a 12-month replacement warranty for defects. The company also provides 24-hour email support to assist with compatibility questions or post-purchase concerns.

• 30-day money-back option if the battery doesn’t meet expectations
• 12-month replacement for defective units under normal use
• Responsive customer service via email for setup and returns

Who is this for: The Futurebatt MB04XL is intended for owners of HP Envy x360 15-inch convertibles that need to recover lost battery life or replace a failing pack without paying OEM prices. It suits students, professionals, and home users who require a safe, specification-matching replacement with warranty coverage and straightforward compatibility across many Envy x360 model codes.