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  1. #1
    RC poster
    Join Date
    Oct 2020
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    2

    uneven battery discharge

    Hi, I'm new here and I have a question to see if someone can tell me why the batteries of my erevo do not discharge in the same way, there is one that discharges much more than the other and one always remains with much more charge, lipo batteries 3 s 5000mAh there is a lot of difference between one and the other when the car gives the low battery warning .. THANKS

  2. #2
    RC Racer
    Join Date
    Nov 2019
    Posts
    108
    Batteries are made of cells, and sometimes they have manufacturing differences. Sounds like one cell is off. Do you balance charge your batteries every time?

    Sent from my SM-G950U1 using Tapatalk

  3. #3
    RC poster
    Join Date
    Oct 2020
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    2
    If every time I charge them I balance them the batteries are the same and the balance is perfect, I don't know why it happens, it could be due to the poor quality of the lipo or a problem with the car

  4. #4
    RC Competitor
    Join Date
    Apr 2020
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    70
    Are they the same brand? Same age? Same amount of cycles? If one is older or used more than the other, they can discharge differently.

  5. #5
    RC Racer
    Join Date
    Nov 2019
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    108
    After running the car, check the individual cell voltages. Maybe you will find that a cell is bad. It seems fairly unlikely that it's a car issue.

    Sent from my SM-G950U1 using Tapatalk

  6. #6
    RC Champion grizzly03's Avatar
    Join Date
    Dec 2014
    Location
    Adirondacks
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    2,271
    If it is the same battery each time that discharges more and it doesn't matter which side of the truck you install it in? If you don't know, mark the batteries so you know which one is which. If it is the same battery each time, regardless of installing on each side I would say that it's a weak battery.

  7. #7
    RC Champion
    Join Date
    Mar 2016
    Posts
    1,343
    Could it be one pack is older than the other ?
    LiPo Battery Packs start deteriorating from first use
    Its a crap shoot gamble how long a pack will last

    Use em up
    Last edited by CrazyXMAXX; 10-13-2020 at 10:05 AM.
    fabricator

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