Battery Wear - is 3% out of box normal?

Discussion in 'Microsoft Surface Pro 3' started by TommyTuna, Jul 22, 2014.

  1. TommyTuna

    TommyTuna New Member

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    i'm on my second SP3.. First one had 0.4% wear out of the box which seemed good. This replacement has 3% already. Anybody else experience such a high wear figure out of the box?
     
  2. yonghong

    yonghong Member

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    Me too ,when you charge it more than twice, it will be ok.
     
  3. TommyTuna

    TommyTuna New Member

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    Cool! I thought it happened the same way on last one but couldn't remember for sure (i.e. wear rate shrunk after a few charges)
     
  4. jollywombat

    jollywombat Member

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    It is all an estimate anyway just FYI, can be off as much as 10% vs actual usage
     
  5. wynand32

    wynand32 Active Member

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    I recommend Battery Bar to keep an eye on this and battery performance. Mine started out at 0.1% wear (negligible, I know). After a full charge and then a few normal partial charges, mine has steadied at 0.0% wear of 44,270 mWh. So, actually more than design specs.
     
  6. gmtmaster79

    gmtmaster79 New Member

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    When I got my SP3 from Microsoft Store, it didn't have any battery left and the low battery icon was on when I turned on the screen. I had to charge it about at least 50% before I can turn on for the 1st time. I thought the SP3 was doa. But after it was charged, and after many cycles, the battery performs better and better each time, it can last about 7-8 hrs now. Knock on wood :)
     

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