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

Beisite

Beisite ET04XL laptop battery 7.7V 49.81Wh for HP EliteBook x360 1020 G2

SKU CH-70M1-DK8YJ

A 7.7 V, 49.81 Wh lithium-ion replacement battery for HP EliteBook x360 1020 G2 models

  • ColorBlack
  • TypeBattery
  • Compatibilityfor EliteBook x360 1020 G2 Series
  • Battery TypeLithium-Ion
  • Battery Voltage7.7V
  • Battery Capacity49.81Wh
  • Direct replacement for HP EliteBook x360 1020 G2
  • 81 Wh lithium-ion cell restores full runtime
  • 7 V output matches original factory specification
  • Replaces OEM part numbers HSTNN-IB7U and 915191-855
  • Brand-new unit supplied in sealed packaging

Compatible HP EliteBook x360 1020 G2 replacement

This lithium-ion battery replaces part numbers ET04XL, ET04049XL, HSTNN-IB7U, 915030-171, 915030-1C1, 915191-855 and 915191-955. It fits multiple EliteBook x360 1020 G2 sub-models including 2TL72EA, 2TM99ES, 2TL73EA, 2TN00ES, 1EP69EA, 2TM98ES and 2UB79EA. The unit delivers 7.7V and 49.81Wh in a black housing.

Package includes only the battery module

No tools, screws, adhesive strips or installation guides are supplied in the box. You will need to source any required opening tools and replacement adhesive separately. The manufacturer offers email support with a 24-hour response commitment for order questions.

Verify your exact sub-model

This battery is not suitable for other EliteBook series, different generations of the x360 line or non-HP laptops. Confirm that your device matches one of the listed fit models and that the original battery carries a compatible part number. Installation requires opening the chassis, which may affect any remaining manufacturer warranty.

Highlights

  • Direct replacement for HP EliteBook x360 1020 G2
  • 81 Wh lithium-ion cell restores full runtime
  • 7 V output matches original factory specification
  • Replaces OEM part numbers HSTNN-IB7U and 915191-855
  • Brand-new unit supplied in sealed packaging

Specifications

BrandET04XL
ModelET04XL
Part NumberHSTNN-IB7U
ColorBlack
TypeBattery
Compatibilityfor EliteBook x360 1020 G2 Series
Battery TypeLithium-Ion
Battery Voltage7.7V
Battery Capacity49.81Wh

Questions about this item

When will the 7.7 V 49.81 Wh lithium-ion pack need replacing?

Capacity fades after a few hundred full charge cycles; expect shorter runtimes once the pack reaches that point.

What limits the ET04XL during long, heavy workloads?

The fixed 49.81 Wh capacity and 7.7 V output set the runtime ceiling; sustained high draw depletes it faster.

Does the battery get hot or noisy during all-day use?

No moving parts mean silent operation; warmth is normal under load but stays within safe limits for lithium-ion cells.

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