The MU09 Long Life Notebook Battery from HP extends the life of your HP or Compaq notebook, with a lifespan of up to three years (and a warranty to match). Not only is the MU09 designed and tested by HP to give you the best battery solution possible, but it incorporates an insulating safety wrap and fire-retardant casing to make it one of safest solutions as well.
| Chemistry | Lithium-ion (Li-ion) |
| Capacity | 4400 mAh |
| Output Voltage | 10.8 V |
| Dimensions | 8.1 x 2.1 x 3.8" (20.6 x 5.3 x 9.7 cm) |
| Weight | 1.1 lb (0.5 kg) |
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Reviewed by 6 customers
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Comments about HP MU09 Long Life Notebook Battery:
I was pleased to find that this battery fit my Pavilion dm4 just fine, and everything else about it is ho-hum. The extended battery size is not very convenient for actual LAPtop computing, though it is nice when using the computer on a table or desk, as the battery does allow for increased air circulation. 6 hours is a little optimistic, but I'm okay with that. Looking at reviews, you should expect any battery you buy to last maybe 2/3 of the amount of time it says. Once you up the screen brightness, run more than one program, and keep the wifi on, you lose a lot of juice. I don't regret my purchase (yet...), but don't expect a miracle.
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Comments about HP MU09 Long Life Notebook Battery:
I"m so pleased to find exactly what I want when I purchased fron B&H. The service is top notch. The workers are very knowledgable and helpfull. I do feel the workers care about your needs... they are proactive thinkers. You may think you need a certain product however, once your need is acknoledged they are able to inform you what is best in addition to giving you ecconomical
choices.also purchased a poloroid prjector it works excellent. I'll purchas my electronis from there from now on. Word!
Comments about HP MU09 Long Life Notebook Battery:
The battery is big and can make it sit ackward. Good point is after first charge it lasted around seven hours.
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Comments about HP MU09 Long Life Notebook Battery:
My daughter recommended B and H as she has been a recent customer. She was spot on. I received excellent advice on which battery to buy and it arrived on the very day the salesman said it would. My computer is performing perfect, and of course, I will look to B and H in the future.
Charles in Aiken, SC
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Comments about HP MU09 Long Life Notebook Battery:
Wow. Glad I upgraded to the MU09. I had the original battery, which was fine, but decided to upgrade when it lost steam. I've doubled the time I can use my laptop without recharging. Only con would be that it adds a lot of weight, but I don't haul it around too much so that's not really a factor for me.
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Comments about HP MU09 Long Life Notebook Battery:
Works well, gives a longer use time so I can complete a day long presentation. Doesn't give quite nine hours but meets expectations.
Displaying reviews 1-6