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My UPS's batteries ...

Are you talking about lithium batteries used for electric cars or about lead batteries used in gasoline or diesel cars?

If you are talking about lead batteries:

I doubt that car batteries would work in this environment.

I work in automobile electronics industry and had a project dealing with car batteries. I was told that car batteries are designed to ...

  • ... be discharged for a few seconds, then be re-loaded again and that the charge of the battery is kept constant for a long while.

    If you discharge the batteries for a longer time or you don't keep the charge constant using special circuits the battery will be defect after a very short amount of time.

  • ... work in an environment with engine vibrations which cause the liquid inside the battery to be mixed.

    If the battery is not operating in a vibrating environment the liquid inside the battery will stop moving and the different components of the liquid will separate from each other - which will also cause the battery to be defect.

My UPS's batteries ...

I doubt that car batteries would work in this environment.

I work in automobile electronics industry and had a project dealing with car batteries. I was told that car batteries are designed to ...

  • ... be discharged for a few seconds, then be re-loaded again and that the charge of the battery is kept constant for a long while.

    If you discharge the batteries for a longer time or you don't keep the charge constant using special circuits the battery will be defect after a very short amount of time.

  • ... work in an environment with engine vibrations which cause the liquid inside the battery to be mixed.

    If the battery is not operating in a vibrating environment the liquid inside the battery will stop moving and the different components of the liquid will separate from each other - which will also cause the battery to be defect.

My UPS's batteries ...

Are you talking about lithium batteries used for electric cars or about lead batteries used in gasoline or diesel cars?

If you are talking about lead batteries:

I doubt that car batteries would work in this environment.

I work in automobile electronics industry and had a project dealing with car batteries. I was told that car batteries are designed to ...

  • ... be discharged for a few seconds, then be re-loaded again and that the charge of the battery is kept constant for a long while.

    If you discharge the batteries for a longer time or you don't keep the charge constant using special circuits the battery will be defect after a very short amount of time.

  • ... work in an environment with engine vibrations which cause the liquid inside the battery to be mixed.

    If the battery is not operating in a vibrating environment the liquid inside the battery will stop moving and the different components of the liquid will separate from each other - which will also cause the battery to be defect.

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source | link

My UPS's batteries ...

I doubt that car batteries would work in this environment.

I work in automobile electronics industry and had a project dealing with car batteries. I was told that car batteries are designed to ...

  • ... be discharged for a few seconds, then be re-loaded again and that the charge of the battery is kept constant for a long while.

    If you discharge the batteries for a longer time or you don't keep the charge constant using special circuits the battery will be defect after a very short amount of time.

  • ... work in an environment with engine vibrations which cause the liquid inside the battery to be mixed.

    If the battery is not operating in a vibrating environment the liquid inside the battery will stop moving and the different components of the liquid will separate from each other - which will also cause the battery to be defect.