Battery Tech ? in Chat

Discussion in '100-Series Cruisers' started by NMuzj100, Nov 9, 2005.

  1. NMuzj100

    NMuzj100

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    I know a lot of the 100 guys don't waste time in chat so thought I'd link this Battery Tech ? in Chat .

    I want a little more imput before I start my test.
     
  2. 100 TD

    100 TD

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    Well I believe unless the tests are done properly and able to be repeated successfully, they are not worth doing, otherwise you will not be able to actually gauge the true results in a usable form.
    I believe the following

    Ambient temp 80 degrees F
    The battery has to be bench charged to full capacity with a controlled output charger.
    Leave the battery for 24 hours before performing tests.
    Load test the battery at specified CCA constant current discharge and log time in seconds to discharge to 7.2 volts.
    Bench charge battery fully again. Leave 24 hours
    Load test battery at 25 amps constant discharge and log time in minutes to discharge to 10.5 volts.
    Bench charge battery fully again. Leave 24 hours
    Load test the battery at 1/20C discharge current and log time to discharge to 10.5 volts.

    Preferably use a data logger to log terminal voltage verses time for all the tests.

    Then add your gadget and do the same tests at a later time and see if there is an increase in performance.
     
  3. NMuzj100

    NMuzj100

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    Thanks for the input. That is what I want to do. Create a test with some scientific rigor and not "I added this $100 gaget and the truck seems to run smoother and has a better seat-of-the-pants" feel". (oops - Don't want to offend all those who added a Airaid or similar ;) )

    I am limited by my equipment though. I have a simple voltmeter and a Schumacher 2amp Automatic Trickle Charger. :frown:

    I still need to find a shop with the right equipment, a battery guy good enough to do the entire load testing sequence and some way to save the resulting data.

    I hadn't thought about the importance of constant temp. If I can't keep it constant I'll at least take a measurement so that I'll know the difference.
     
    Last edited: Nov 10, 2005
  4. Pskhaat

    Pskhaat

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    2 amp seems pretty high for a trickle charger?
     
  5. NMuzj100

    NMuzj100

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