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  1.    #1  
    Does anyone know how to resolve the problem where the Pre says it has ten to maybe thirteen percent battery life remaining, but dies shortly after that?

    I would think recalibration would at least give me more accurate warnings, if not actually increase the battery life, but I don't know that there's a way to do this.

    Any suggestions? Thanks, in-advance.
    * Stuck patches? Partial erase worked for me.
    * Stuck virtual keyboard? Partial erase AND folder deletion worked for me.
  2. #2  
    Needs a new battery. The current one is deteriorating.
  3. #3  
    to the OP. How ols is your battery?
  4. #4  
    Do you have the patch for "Actual Battery %"?

    It may be that the phone UI is reporting a higher percentage than is actually left.
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  5. wemetzger's Avatar
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    Mine actually does this at 25%
  6. #6  
    Batteries don't really charge to it's full capacity. When it shows 100% on your phone it's really about 96-97% charge. However, you seem to have a different situation, the cells in your battery seem to be not holding. (note) You might wanna replace that battery.
  7. #7  
    I used to have that happen periodically, shutting down sometime after 20%, but it has changed more recently to being able to get to 0% for a good 30 minutes before it shuts-down.
  8. #8  
    yup....had the same problem. recently purchased a new battery and all is back to normal.(well, as normal as it can be with this battery )
  9.    #9  
    It happens with two different batteries that I've had just about since I got the Pre in August 2009.


    Someone mentioned a patch that shows the actual percentage? Sounds like this is a known thing with the phone. I'd expect my battery to lose some capacity over time, but I wouldn't expect it to come from the "bottom" instead of the "top."
    * Stuck patches? Partial erase worked for me.
    * Stuck virtual keyboard? Partial erase AND folder deletion worked for me.
  10. #10  
    I have the Seidio 2600mAh battery and I have it on the charger but it's actually losing battery life. I left it at 84% last night, and this morning it went down to 72% while being on the charger? Idk what's wrong.
  11. #11  
    same thing is happening to me. I have a Mugen extended battery in there now. Maybe its time to switch back to the regular Pre battery.
  12. azumak's Avatar
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    Mm? You guys are using some sort of overclocking kernel, yes? Mine has done that since the first 800Mhz OC I installed. Routinely gave the 'shut down soon' error at 20%, with less than 5 mins til shutdown. I have 3 batteries between 2 devices that are rotated regularly. The 1ghz OC was getting to 30-35% and dying, lol. I recently installed show actual % patch, this does address the issue, correct? Just yesterday I drained it to 9% with 1ghz Warthog kernel. Haven't seen a single digit % in a while!

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