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  • Author Author: Problemchild
  • Date Created: 1 Jan 2015 4:05 AM Date Created
  • Views 2779 views
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  • Comments 11 comments
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Raspberry Pi LIPO battery Pack Endurance Test

Problemchild
Problemchild
1 Jan 2015

It seems to be a regular question "how long will my Raspberry Pi last with battery XYZ?", obviously the answer is "it depends" but really what kind of answer is that.

To give an indicative answer I decided to try it for my self with a standard Raspberry Pi model B and a 10Ah LIPO Battery Pack from Seeedstudio

Nothing fancy here just the RPI in near idle state running a clock to allow the time lapse camera to keep track of the elapsed time.

 

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The raspberry Pi was running at around 350ma which I thought was quite low but maybe the latest Rasbian 24/12/14 has some power management foo included, also the network  wasn't in use and this can be a bit of a power hog.

 

Any way the final result was very nearly 17 Hours which I think is quite impressive ...what do you think?

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Top Comments

  • Problemchild
    Problemchild over 11 years ago in reply to larisbird +1
    I'm glad you liked it, have you tried the display direct form 5V it may work but the back light could conceivably have trouble?! A 12V pack with a 5V buck regulator will probably be more efficient, maybe…
  • Problemchild
    Problemchild over 11 years ago in reply to larisbird +1
    Took a look, really less than obvious how you would proceed with that. As you said previously it would be much easier and more likely to continue to work afterwards if you used a boost converter to get…
  • rew
    rew over 11 years ago +1
    John, The battery pack is rated at 10Ah at 3.7V. That would mean it should be able to provide 10/5*3.7 = 7.4Ah at 5V, assuming 100% conversion efficiency. With the pi running at 350mA you should in theory…
  • larisbird
    larisbird over 11 years ago

    that was a great idea!! thanks for testing that out.  pretty impressive results. 

     

    I have a Mi Power Bank (Xiaomi) that will work perfectly.  I guess the best way to solve my problem with the 12V 3.5" display is to use a power bank like this with a step up regulator.  I wonder what result would be then....

     

    Thanks again John and Happy New Year,

     

    Jack

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