HP MU09 Long Life Notebook Battery

HP MU09 Long Life Notebook Battery

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UPC: 884962734155   Part: WD549AA#ABB


HP is dedicated to providing you with innovative power solutions to increase your notebook's entertainment and productivity value while reducing your total cost of ownership. The HP Long Life Battery has up to a three year life span – backed by the industry’s first three-year limited warranty. HP is committed to the environment and reducing battery waste. Fewer batteries are used over the life of the notebook with HP Long Life Batteries making this a smart choice for you and the environment.


  • Lower Total Cost of Ownership: One battery has an up to three year cycle lifespan, reducing your overall battery cost since you purchase fewer batteries over the life of the notebook.
  • Flexible Solutions: With up to three years of warranted performance, you can enjoy the entertainment and productivity features of your notebook for longer then with standard solutions.
  • Environment: HP is committed to protecting the environment and we design our products with that in mind. New technology reduces overall battery waste by requiring fewer batteries to be used over the life of the notebook. HP gives you the option to benefit not only yourself but the environment as well.
  • Intelligent Construction: An insulating safety wrap is used to enclose the cells.; A fire-retardant casing, which conforms to rigorous safety standards, encloses the entire battery.; Barrier walls isolate cells from the Printed Circuit Assembly (PCA), presenting a liquid and thermal barrier.; The PCA has a conformal coating to protect circuitry from potential shorts.; Internal connections are designed to prevent pinching and potential short circuits.
  • Genuine HP Batteries: Tested with all compatible HP notebook PCs so HP can deliver the highest quality products, services, and solutions to your home
  • HP Pavilion: dm4-1000, dm4-2000, dm4-3000, dv7-4000, dv7-6000, dv6-3000, dv6-6000, dv5-2000, dv4-4000, dv3-4000; HP: G42, G62, G72; ENVY: 17-100, 17-200; Compaq Presario: CQ32, CQ42, CQ43, CQ62, CQ72


  • 1.05 lb
  • 8.07 x 2.09 x 3.81 in

What's in the box

  • Battery; documentation
  • Three-year, worldwide parts-and-labor limited warranty; 24x7 HP technical phone support during warranty period

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Customer ratings and reviews for HP MU09 Long Life Notebook Battery

Rated 5 out of 5 by excellent replacement for MU06 ib G72 Notebook Ordered the MU09 battery to replace the MU06 that came installed in a HP G72-series laptop two years ago. Popped the old battery out and the MU09 popped right in. Since the MU09 is a 9-cell replacement for the 6-cell MU06, it is slightly larger in the downward direction, therefore, the laptop now has a slight keyboard forward tilt similar to using the "feet" on a standard keyboard. Works out just fine. The fit is perfect. Unwrapping the new battery and swapping it out for the old one took about one minute. Recommended! January 19, 2014
Rated 5 out of 5 by Great performance and improves cooling Made the mistake of ordering a "new" battery from another source. It would not work. Found out it was advertised as a "new" HP battery. It was "new", however it was very old and would not take a charge. Decided to buy the MU09 from HP with a three year warranty. It was manufactured just a few weeks before I received it. Installed it and has performed as advertised and the laptop now runs cooler as the battery raises the back of the computer slightly. The service was fast. I look to HP first for all my computer and printer needs. January 16, 2014
Rated 5 out of 5 by works like I hoped installed the battery and gave it a full charge and then ran it down to nothing and recharged it. Gives a good 3-4 hrs of computer time. Before I purchased this battery I was getting 1/2 hr per charge. I was suprised at the extra depth of the battery because it raises the computer up in the back so it does not sit flat now but the good part of that is more room for air flow. January 15, 2014
Rated 2 out of 5 by Not what I expected Only has a use time of about 2 hours. January 12, 2014
Rated 5 out of 5 by Excellent! Great! Arrived super quick and in perfect condition! I am impressed with the battery and its performance. Definitely worth the cost. January 11, 2014
Rated 5 out of 5 by This battery works Received battery HP MU09 Long Life Notebook Battery in a timely manner. Perfectly fit in my Hp laptop. January 11, 2014

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Owner support

Warranty information

This product is covered by the standard HP warranty

Support information

Support for this product is provided by HP Customer Care

Returns & exchange information

The HP Home & Home Office Store will accept returns or exchanges for this product up to 21 days after delivery

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