Power Cover Discharge Rate a Bit Concerning

Discussion in 'Microsoft Surface Pro 2' started by Sir Face, Mar 23, 2014.

  1. Sir Face

    Sir Face New Member

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    After a full charge, I'm noticing that my SP2 128gb with Power Cover runs down the Power Cover battery to 20% in just a couple of hours of use. Of course the internal battery is still showing 100%, but this seems a bit extreme to me. Is this the way it's supposed to work?
     
  2. Dayton

    Dayton Member

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    It is estimated to provide an additional 60% of battery life, so depending on what you are doing...
     
  3. sharpuser

    sharpuser Super Moderator Staff Member

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    My Power Cover charge is down to about 40% after a two hours. The SP2 is maintained at 100%. This is stronger than the first two charge/discharge cycles. Seems the Power Cover needs to be exercised a bit at first, especially if you started using it before charging fully.
     
  4. Sir Face

    Sir Face New Member

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    Yeah, I just assumed (and hoped) that it would improve somewhat with a few charge/recharge cycles. That usually holds true with lithium based batteries.
     
  5. jnjroach

    jnjroach Administrator Staff Member

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    I got a total of 3 hours and 20 minutes of extra time using the SP2...
     

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