Re-purposing Lithium-Ion battery pack for another project?

Discussion in 'Power Electronics' started by boonxiong, May 1, 2018.

  1. boonxiong

    Thread Starter Active Member

    Oct 17, 2011
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  2. Alec_t

    AAC Fanatic!

    Sep 17, 2013
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    Depends what current and voltage the application requires.
     
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  3. boonxiong

    Thread Starter Active Member

    Oct 17, 2011
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    say I want to drop the voltage down to 12v. Can I just put in a voltage regulator to drop the voltage and then measure the voltage at the battery to make sure it doesn't go down below a certain voltage?

    I am wondering if doing this will harm the battery as there are 4 pins (C- T ID C+) at the battery. I'm not sure if all the pins are supposed to be used or can I just do what I described above?



    Thanks
     
  4. Alec_t

    AAC Fanatic!

    Sep 17, 2013
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    Again, it depends on the current the app calls for; also on the rating of the regulator.
    The manufacturer wouldn't have put them there if they weren't to be used. You need to research their purpose. I'd guess (but could well be wrong) that the C- and C+ relate to charging and T relates to a temperature sensor. Over charging or over discharging the battery could damage it, perhaps catastrophically.
     
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  5. ian field

    AAC Fanatic!

    Oct 27, 2012
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    What uses that voltage? - you probably need a buck converter to step it down to a "standard" value.
     
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