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  1. #16
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    Quote Originally Posted by Bohdan View Post
    Lithium batteries produce metallic lithium if they are overcharged or over discharged. This is why they have incorporated electronic "smarts" to prevent this happening. I suspect that one of the reasons some asian cells are so cheap is that the "smarts" are not included or are in the battery housing.
    Bosch cordless packs(Coolpacks not the latest Core) does not have any 'smarts' in their lithium battery packs. Please explain.

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  3. #17
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    Apr 2014
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    Quote Originally Posted by forp View Post
    Bosch cordless packs(Coolpacks not the latest Core) does not have any 'smarts' in their lithium battery packs. Please explain.
    See this Bosch info on ECP

  4. #18
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    Bosch ECP has nothing to with individual cell management and has no capability to do so due how the cells are wired(or lacking of required connections). The ECP only monitors temperature and limits current plus cut off when overall pack voltage is too low. Maybe you can google what you call 'smarts' and what's their major function in a lithium battery pack.

    Bosch totally skip this and very much rely on premium cells and cell matching at the factory. There is another big brand who also does this.

  5. #19
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    The "smarts" that I was refering to is the ability to shut down the tool to prevent over discharging the battery and to prevent it from being overcharged as both conditions produce metallic lithium which is highly flamable.

    The condition that you are refering to is the ability to monitor the charge to each cell individually to ensure that they are all equally charged. Cell matching achieves the same result without the risk of overdischarging an individual cell.

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