We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black rectangular laptop battery with four cells and label showing voltage and capacity

NShi

NShi MB04XL 15.4V 55.67Whr 4-cell laptop battery for HP Envy X360 15-AQ M6-AQ

SKU CH-D62Q-FQXMS

A 15.4 V, 55.67 Whr, 4-cell lithium-ion replacement battery for HP Envy X360 15-AQ and M6-AQ series

  • Battery type4 Cell Lithium-Ion
  • Battery voltage rating15.4 V
  • Battery capacity3615mah
  • Product colorBlack
  • Product typeBattery
  • Compatible withHP Envy X360 15-AQ, HP Envy X360 M6-AQ series
  • Direct replacement for HP Envy X360 15-AQ and M6-AQ series
  • 67Whr capacity supports extended mobile use
  • 4V 4-cell lithium-ion matches original voltage
  • Replaces OEM part numbers MB04XL, 844204-855, 844204-850, 843538-541, HSTNN-UB6X, MB04055XL
  • CE, FCC and RoHS certified for safety compliance

Replacement battery for HP Envy X360 15-AQ

This 4-cell lithium-ion battery replaces OEM part numbers MB04XL, 844204-855, 844204-850, 843538-541, HSTNN-UB6X and MB04055XL. It is built for HP Envy X360 convertible models including the 15-AQ000, 15-AQ100 and 15-AQ200 families. The unit ships new and carries CE, FCC and RoHS safety certifications. It is not for owners of other HP chassis or non-Envy convertible lines.

Thermals, noise and power draw in normal use

The pack delivers 15.4V and 55.67Whr from its four lithium-ion cells, rated at 3615mAh. Circuit protection regulates voltage and current to keep discharge stable and self-discharge low during daily operation. No active cooling or fan is present, so the battery adds no acoustic noise to the system. It is not suited for users who need extended runtime beyond the rated capacity or who require hot-swap capability.

Fitting the battery into your build

Installation uses the existing internal battery bay; no extra cables, adapters or tools are required beyond the laptop's own screws. The form factor matches the original MB04XL dimensions, leaving all ports, hinges and the 360-degree hinge mechanism unobstructed. It frees the user from a degraded or failed OEM pack and restores mobile operation. Builders needing a higher-capacity alternative or a different voltage must look elsewhere.

How it compares

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

Price $44.99
Pricier than about 77% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameGreenTech
Model nameMB04XL, 844204-855, 844204-850, 843538-541, HSTNN-UB6X, MB04055XL
Product colorBlack
Product typeBattery
Power
Battery type4 Cell Lithium-Ion
Battery voltage rating15.4 V
Battery capacity3615mah
Compatibility
Compatible withHP Envy X360 15-AQ, HP Envy X360 M6-AQ series

Questions about this item

How do I install the 4-cell 15.4 V battery in my HP Envy X360 15-AQ and which step is often missed?

Remove the bottom case screws, disconnect the old battery connector before lifting it out, fit the new pack, reconnect the cable firmly, then replace the case — the step most people skip is disconnecting the old battery first.

What maintenance will the 3615 mAh lithium-ion pack need over its life?

No scheduled maintenance is required; the pack will gradually lose capacity after hundreds of cycles, at which point the only remedy is to replace the battery with another compatible 55.67 Whr unit.

What limit appears first when the 55.67 Whr battery runs under sustained load?

The pack will hit its thermal and voltage floor before the 3615 mAh rating is exhausted, causing the laptop to throttle or shut down to protect the cells.

More in Laptop Chargers & Batteries

Similar items