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Rectangular black lithium-ion laptop battery with two screwdrivers

JPWEB

JPWEB MB04XL 844204-850 laptop battery 15.4V 55.67Wh

SKU CH-5QQB-ZZ385

15.4 V lithium-ion replacement battery rated at 55.67 Wh for HP Envy X360 convertible models

  • Battery typeLithium-Ion
  • Product typeBattery
  • 4V 55.67Wh capacity powers extended sessions
  • Four Grade A lithium-ion cells deliver reliable charge cycles
  • CE FCC RoHS certified for safety compliance
  • Fits HP Envy X360 M6 and 15-AQ series models
  • Includes two screwdrivers for straightforward installation

HP Envy X360 replacement battery

The JPWEB MB04XL 844204-850 is a new lithium-ion battery rated at 15.4V with a capacity of 55.67Wh. It uses four grade A cells and serves as a direct replacement for the original HP part numbers MB04XL, MBO4XL, HSTNN-UB6X, 843538-541 and 844204-850.

Owners of compatible HP Envy X360 convertible models

This unit fits the Envy X360 M6 series including M6-AQ003DX, M6-AQ005DX, M6-AQ103DX, M6-AQ105DX and M6-AR004DX, plus the 15-AQ and 15-AR series such as 15-AQ273CL, 15-AQ267CL and 15-AQ005NA. Buyers with other HP laptop families or different Envy screen sizes should verify their part number before ordering.

Two screwdrivers included for installation

The package supplies two free screwdrivers so you can open the chassis and swap the battery without sourcing tools separately. CE, FCC and RoHS certifications confirm the pack meets recognised safety and environmental standards for lithium-ion cells.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $42.99
Pricier than about 74% of the 27,790 comparable items (median $30.99).

Specifications

Product
Product typeBattery
Power
Battery typeLithium-Ion

Questions about this item

Which HP Envy X360 models accept the 15.4V 55.67Wh MB04XL battery?

The battery fits HP Envy X360 Convertible M6 and 15‑AQ series laptops including M6‑AQ105DX, M6‑AQ103DX, M6‑AQ003DX, M6‑AQ005DX, M6‑AR004DX, 15‑AQ273CL, 15‑AQ267CL, 15‑AQ005NA and 15‑AQ101NG.

Will this 4‑cell lithium‑ion pack replace my original HSTNN‑UB6X or 843538‑541 battery without modification?

Yes, it matches part numbers HSTNN‑UB6X, 843538‑541, 844204‑850, TPN‑W119, TPN‑W120 and 4ICP6/60/80, so it drops into the same bay with no adapter needed.

How can I confirm the new pack is delivering the rated 15.4V and 55.67Wh after installation?

Check the battery information in Windows or the BIOS; it should report 15.4V and a design capacity of 55.67Wh, and the system should charge to 100% without errors.

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