HP SX09 QK645AA Notebook Battery - 8850 mAh
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Product Information for HP SX09 QK645AA Notebook Battery - 8850 mAh

Highlights for HP SX09 QK645AA Notebook Battery - 8850 mAh

  • Battery Chemistry:Lithium Ion (Li-Ion)
  • Packaged Quantity:1
  • Output Voltage:11.3 V DC

Marketing Information

The HP Primary Battery is the standard battery replacement for the original battery included with each HP Business Notebook and HP Mini. It's an economical choice for users who primarily use a notebook while plugged in or docked and charge the notebook overnight when they take it home, or for users who rely on a notebook as a backup to a desktop PC.

Battery Information

  • Battery Chemistry: Lithium Ion (Li-Ion)
  • Number of Cells: 9
  • Output Voltage: 11.3 V DC
  • Battery Size: Proprietary
  • Battery Capacity: 8850 mAh
  • Battery Rechargeable: Yes
  • Battery Energy: 100 Wh
  • Minimum Battery Recharge Time: 3.50 Hour
  • Maximum Battery Recharge Time: 7 Hour
  • Environmental Conditions

    General Information

  • Product Type: Notebook Battery
  • Manufacturer Part Number: QK645AA
  • Manufacturer Website Address: www.hp.com
  • Packaged Quantity: 1
  • Manufacturer: Hewlett-Packard
  • Product Model: SX09 QK645AA
  • Product Name: SX09 QK645AA Notebook Battery
  • Brand Name: HP
  • Miscellaneous


  • HP Business Notebook
  • HP Mini Netbook
  • HP EliteBook 2560p Notebook
  • Physical Characteristics

  • Dimensions: 0.80" Height x 2.40" Width x 8.10" Depth
  • Weight (Approximate): 1.04 lb
  • Warranty