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Extended Life Battery / Mfr. item no.: QK639UT

Extended Life Battery / Mfr. item no.: QK639UT
Qty. Available: 10+
Item Number: hew-qk639ut
Vendor Number: QK639UT
Vendor: Hewlett Packard
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The HP Extended Life and Ultra Extended Life batteries allow you to work longer. The HP Extended Life battery offers the convenience of charging the battery while it is docked so there is no need to remove before docking. The Ultra Extended Life battery provides the convenience of charging the notebook with an AC adapter plugged into the built-in Integrated AC Power Port when it is not in use. With their improved battery life, these batteries are a great solution for the "corridor warrior" who requires extra battery life for all-day computing or long meetings.

General Information

ManufacturerHP Inc.
Manufacturer Part NumberQK639UT
Manufacturer Website Address
Product ModelST09
Product NameST09 Notebook Battery
Product TypeBattery

Battery Information

Battery RechargeableYes
Battery SizeProprietary
Battery ChemistryLithium Polymer (Li-Polymer)
Battery Capacity6600 mAh
Battery Energy73 Wh
Number of Cells9
Output Voltage11.1 V DC
Minimum Battery Recharge Time3.50 Hour
Maximum Battery Recharge Time7 Hour

Physical Characteristics

Weight (Approximate)1.21 lb


Package Contents
  • ST09 Notebook Battery
  • Documentation

HP Notebooks:

  • EliteBook 8460p
  • EliteBook 8560p
  • ProBook 6360b
  • ProBook 6460b
  • ProBook 6560b
  • 8460w Mobile Workstations
  • 8560w Mobile Workstations
  • 8760w Mobile Workstations
Green CompliantYes
Green Compliance Certificate/AuthorityRoHS


Limited Warranty1 Year