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Windows 7: Can 9 cell Battery stay up 9 hours ?


02 Nov 2011   #1

Windows 7 Ultimate SP1 64 Bit
 
 
Can 9 cell Battery stay up 9 hours ?

I want to buy a laptop (17 ") with 9 cell Battery,because in HP & Dell sites they are saying it can stay up to 9 hours !
Some friends tell me its fake because a laptop have a high specs and 17" ant stay more han 5 hours !

My System SpecsSystem Spec
.

02 Nov 2011   #2

Windows 7 Ultimate x64
 
 

Hello Baxxter I have never used one of these batteries but a look here makes me think it is not worth the money; DELL 85 WHr 9-Cell Lithium-Ion Battery for Dell Latitude D620 Laptop : Laptop Accessories | Dell

Look at the ratings tab
My System SpecsSystem Spec
02 Nov 2011   #3

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by baxxter View Post
I want to buy a laptop (17 ") with 9 cell Battery,because in HP & Dell sites they are saying it can stay up to 9 hours !
Some friends tell me its fake because a laptop have a high specs and 17" ant stay more han 5 hours !
Have both and 5 hours is more realistic unless you want to cut performance and use power saver mode.
My System SpecsSystem Spec
.


02 Nov 2011   #4

Windows 7 Ultimate SP1 64 Bit
 
 

Quote   Quote: Originally Posted by zigzag3143 View Post
Quote   Quote: Originally Posted by baxxter View Post
I want to buy a laptop (17 ") with 9 cell Battery,because in HP & Dell sites they are saying it can stay up to 9 hours !
Some friends tell me its fake because a laptop have a high specs and 17" ant stay more han 5 hours !
Have both and 5 hours is more realistic unless you want to cut performance and use power saver mode.
what do you mean by "have both" Dell and HP ? and with 9-Cell Lithium-Ion Battery too ?
why they are sayng it can stay up to 9 hours then ?
My System SpecsSystem Spec
02 Nov 2011   #5

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by baxxter View Post
Quote   Quote: Originally Posted by zigzag3143 View Post
Quote   Quote: Originally Posted by baxxter View Post
I want to buy a laptop (17 ") with 9 cell Battery,because in HP & Dell sites they are saying it can stay up to 9 hours !
Some friends tell me its fake because a laptop have a high specs and 17" ant stay more han 5 hours !
Have both and 5 hours is more realistic unless you want to cut performance and use power saver mode.
what do you mean by "have both" Dell and HP ? and with 9-Cell Lithium-Ion Battery too ?
why they are sayng it can stay up to 9 hours then ?
Have a Dell and a 9 cell battery and it cannot in any way run 9 hours. The best I have accomplished is 6 but that is in power saver at a 40 % reduction in performance so for me it is not an option.

HP's are similar.

Both of the above do not consider the price. Dells list is $155.
My System SpecsSystem Spec
02 Nov 2011   #6

Windows 7 Ultimate x64
 
 

My wife has a 12 cell battery in her HP laptop and she gets about 7-8 hours on a charge. I have a 9 cell on my Dell laptop and at standard power saving settings, I get about 5-6 hours.
My System SpecsSystem Spec
02 Nov 2011   #7

Windows 7 Ultimate SP1 64 Bit
 
 

12 cell !! can i find in on the shops ?is it hp or dell ?
My System SpecsSystem Spec
02 Nov 2011   #8

Windows 7 Ultimate x64, & Mac OS X 10.9.2
 
 

windows isnt a very battery friendly OS!

Im a mac user when it comes to laptops, and i get about 8 hours battery from my 13" macbook, if i boot it into windows i only get 2-3hours on a full charge.
My System SpecsSystem Spec
02 Nov 2011   #9

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by baxxter View Post
12 cell !! can i find in on the shops ?is it hp or dell ?
In my case, the 12 cell is an HP similar to this one;
HP 12-cell Extended-Life Battery (EV12) | HP® Official Store
My System SpecsSystem Spec
02 Nov 2011   #10

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by baxxter View Post
12 cell !! can i find in on the shops ?is it hp or dell ?

That battery is going to make the laptop weigh a ton.
My System SpecsSystem Spec
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 Can 9 cell Battery stay up 9 hours ?




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