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Originally Posted by redxix
how does the 9cell battery compare to the 700m/710m extended battery?
just curious. looking into either a 640m, 710m, or Sony SZ140
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i use to have a 700m with the 8 cell..dell says it last 5 hours but it's really 4.5
i have the 6 cell for my d620 lasts for about 3.5 when dell says it can last up to 4.5 almost.....these all vary with your specs and how you're using you comp....but id get a vaio sz any day over these dells if i could afford it =/