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HP ST09 Extended Life Notebook Battery

  • HP Inc.
  • 12704793
  • QK639UT
  • Temporarily Out-of-Stock
  • Call for next available delivery
Ordering Information
  • 7 hour(s) battery life
  • 6.6Ah, 73Wh Capacity
  • 11.1V power provided
  • Notebook battery
The HP Extended Life battery is a secondary (or "travel" or "add-on") battery that allows 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. With improved battery life, this battery is a great solution for the "corridor warrior" who requires extra battery life for all-day computing or long meetings.

Note that this is not a replacement for the notebook's "Primary" battery.