Free Delivery £20 off your order Instant finance available Trade in for up to £300 Cashback

HP ST09 Extended Life Notebook Battery QK639AA

Quickfind code: 638357

Was: £198.97     You save: £141.41

See all delivery & collection options

We deliver 6 days a week from 7am - 8pm, including the option of next day and Saturday delivery on 1000’s of products. We offer a range of delivery services for you to choose from, with many allowing you to choose a delivery date. Most of our delivery partners give you delivery time slots on the day of delivery and the ability to track your order. You may also have the option to collect from our Huddersfield or East Midlands stores, or from thousands of nationwide CollectPlus collection points.

Simply enter your postcode below to see your delivery options:

Enter delivery postcode for options and prices:
click to close
Why buy me
  • Battery Technology - Lithium Polymer (LiPo)
  • Battery capacity - 6600mAh
  • Battery voltage - 11.1V
More Info » Tech Spec »
Ways to pay

Ordering from us is easy. We accept all major credit and debit cards, including Visa, MasterCard, Switch, Delta, Maestro, Solo and American Express, as well as Amazon payments and Paypal - making placing an order with us as easy and convenient as possible.

payment options

Popular Bundles

Product Information

The HP Extended Life battery 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.


Tech Spec

Battery capacity 6600 mAh
Battery Technology Lithium Polymer (LiPo)
Battery voltage 11.1 V
Colour of product Black
Compatible products -
Number of battery cells 9
Output current 6.6 A
Other features
Battery type Lithium-Ion Polymer
Depth 12 "
Dimensions (WxDxH) 154.9 x 304.8 x 30.4 mm
Height 1.2 "
Width 6.1 "
Weight & dimensions
Weight 550 g

Questions & Answers