S12 battery life started low

Hi,
I just bought an Ideapad S12 because of the publicity it had for long battery life: and it said around 9 hours...
I fully charged and uncharged my battery for several cycles, but it still has only 98% efficiency at 3 hours maximum! After a few months of treating my battery as good as possible (fully charging/uncharging), nothing gets better..it's down to 2h40 max and that's with only internet running and low monitor light.
Do you think my battery simply has a default?
I installed windows 7 from work, official legal software, but now my battery life is down to 2h30, and that's not exactly correct. I feel a bit betrayed as the battery life is nowhere near what i was expecting!!
Help! I will download all software updates, and see if i can at least "install my battery" as it doesn't read installed for now and can't see how to install it. Will that help? Should I use my warranty and go back to the shop where i bought the laptop and ask for a new battery? Or is that only upto Lenovo to fix?
Thanks!!
Virginie

Hi and welcome,
9 (nine) hours ?
... 5-6 hours you could reach with 6 cell battery ....when upgraded to 2 GB of memory ..when you have set some of these settings Knowledge Base Energymanagement
without upgrade and without these settings 3-4 hours is standard... with 6 cell battery ...
sincerely KalvinKlein
Thinkies 2x X200s/X301 8GB 256GB SSD @ Win 7 64
Ideas Centre A520 ,Yoga 2 256GB SSD,Yoga 2 tablet @ Win 8.1

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<Please reply to your original discussion Battery life started earlier. This thread will be locked.>
Message was edited by: Verizon Moderator

My battery life was decent until i opened google plus now the battery lasts less
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<Please reply to your original discussion Battery life started earlier. This thread will be locked.>
Message was edited by: Verizon Moderator

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Is ipod touch low battery life normal
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S12 battery life started low

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