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Rectangular black HP laptop battery with label and connector

HP

HP E7U21ET Notebook Battery for ProBook 640 G1, 645 G1, 650 G1, 655 G1

SKU CH-0Q8R-EM77V

Replacement battery compatible with HP ProBook 640 G1, 645 G1, 650 G1 and 655 G1 notebooks

  • TypeBattery
  • CompatibilityHP ProBook 640 G1, 645 G1, 650 G1, 655 G1
  • Genuine HP replacement battery for ProBook 640 G1, 645 G1, 650 G1 and 655 G1
  • New condition ensures full capacity from first charge
  • Designed for HP ProBook 640 G1, 645 G1, 650 G1, 655 G1 series
  • Reliable power for daily mobile work on compatible notebooks
  • Direct-fit design matches original HP E7U21ET specifications

HP E7U21ET Replacement Battery

The HP E7U21ET is a new replacement battery designed for HP ProBook 640 G1, 645 G1, 650 G1 and 655 G1 laptops. It restores mobile power when the original cell no longer holds a useful charge. Installation follows the standard battery bay procedure for these models.

Who this suits and who it does not

This battery suits owners of the listed ProBook models who need a direct replacement for a worn or failed unit. It is not for users of other HP laptop series or earlier ProBook generations that use a different battery form factor. Buyers needing higher capacity than the original specification should look at extended-life alternatives.

Included accessories and software

The package contains only the battery unit itself. No charging cable, AC adapter, mounting screws or software discs are bundled. The laptop’s existing charger and power management firmware handle all charging and monitoring functions.

Highlights

  • Genuine HP replacement battery for ProBook 640 G1, 645 G1, 650 G1 and 655 G1
  • New condition ensures full capacity from first charge
  • Designed for HP ProBook 640 G1, 645 G1, 650 G1, 655 G1 series
  • Reliable power for daily mobile work on compatible notebooks
  • Direct-fit design matches original HP E7U21ET specifications

Specifications

BrandHP
ModelE7U21ET
TypeBattery
CompatibilityHP ProBook 640 G1, 645 G1, 650 G1, 655 G1

Questions about this item

Which HP ProBook models will the E7U21ET battery fit?

The E7U21ET is compatible with HP ProBook 640 G1, 645 G1, 650 G1 and 655 G1 notebooks.

Will the E7U21ET battery work in a ProBook 640 G1 that originally shipped with a different capacity pack?

Yes, the E7U21ET replaces the original battery in any listed ProBook 640 G1, 645 G1, 650 G1 or 655 G1 regardless of the factory-fitted capacity.

How can I confirm the E7U21ET battery is charging correctly after installation?

Insert the battery, connect the AC adapter and verify the charging indicator lights and the operating system reports a rising charge percentage.

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