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Black rectangular lithium-ion laptop battery with connector on one end

Beisite

Beisite VX04XL 90Wh 15.4V laptop battery for ZBook 15 G5 G6

SKU CH-H73S-ENP2S

90 Wh lithium-ion battery at 15.4 V fits HP ZBook 15 G5 and G6 workstations

  • ColorBlack
  • TypeBattery
  • Compatibilityfor ZBook 15 G5 G6 Series
  • Battery TypeLithium-Ion
  • Battery Voltage15.4V
  • Battery Capacity90Wh
  • 90Wh capacity extends work sessions between charges
  • 4V lithium-ion chemistry matches original power specs
  • Direct replacement for VX04XL and ten OEM part numbers
  • Fits ZBook 15 G5 and G6 series workstations
  • Brand-new cell pack with twelve-month coverage

Replacement battery for ZBook 15 G5 G6

This 90Wh lithium-ion unit replaces the original VX04XL cell in HP ZBook 15 G5 and G6 mobile workstations. It matches the 15.4V specification and fits the listed part numbers including L05766-855 and HSTNN-IB8F. Buyers needing a different voltage or a higher capacity will not be served by this model.

Thermals and power in daily use

The battery operates at the standard 15.4V output required by the platform and draws current within the laptop's designed envelope. No active cooling is present on the pack itself; heat dissipation relies on the notebook chassis. Acoustic noise is absent because there are no moving parts.

Capacity that defines the choice

At 90Wh the pack delivers the full rated energy for the supported ZBook 15 G5 and G6 configurations. This single figure determines whether the runtime meets the user's workload before a recharge is needed.

Highlights

  • 90Wh capacity extends work sessions between charges
  • 4V lithium-ion chemistry matches original power specs
  • Direct replacement for VX04XL and ten OEM part numbers
  • Fits ZBook 15 G5 and G6 series workstations
  • Brand-new cell pack with twelve-month coverage

Specifications

BrandVX04XL
ModelVX04XL
Part Number4ICP6/59/109
ColorBlack
TypeBattery
Compatibilityfor ZBook 15 G5 G6 Series
Battery TypeLithium-Ion
Battery Voltage15.4V
Battery Capacity90Wh

Questions about this item

How do I install the VX04XL battery in my ZBook 15 G5, and what step is often missed?

Power off the laptop, disconnect the AC adapter, remove the bottom case screws, detach the old battery connector, fit the new 90Wh pack, reconnect the cable, then re-secure the case screws before turning on.

What maintenance or replacement will the 4ICP6/59/109 lithium-ion pack need later?

The 15.4V battery requires no routine upkeep; expect to replace it once capacity drops below usable levels, typically after several hundred charge cycles.

What limit appears first on the HSTNN-IB8F replacement during sustained heavy loads?

The 90Wh cell will hit thermal or voltage sag limits before the laptop's power circuit, reducing run-time under continuous high-draw workloads.

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