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  1. #1
    RC poster
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    Best Battery Choice for TRX4 Defender

    Hi Guys,
    I just picked a new TRX4 Defender. I also have a TRX4 Sport. I'm running it with a
    Spektrum 2S 5000mAh 50C LIPO battery.
    Question: What is the best LIPO battery to use on my Defender. I am using all Spektrum gear.
    Thanks.

  2. #2
    RC Qualifier RCWilly's Avatar
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    If you are talking about crawling performance, a 3s small pack is good (small enough to fit in the lower part of the battery tray), since it gives it more punch, and lowers the CG.
    Everyday's a gift, thus now is called the present.

  3. #3
    RC Racer EclipseMantis's Avatar
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    I don't do any crawling at all, but I would imagine this is hard to beat.

    https://www.smc-racing.com/index.php...product_id=557
    𝘚𝘓4𝘚𝘏

  4. #4
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    @ RCWilly What c-rating do you have on the 3s lipo battery's in a stock trx4? Is it imortant to look at the c-rating? In my other cars i have a c-rating of 50c continue.
    Last edited by TomV; 11-30-2020 at 10:39 AM.

  5. #5
    Marshal Double G's Avatar
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    May 2008
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    14,273
    Yes, the C rating is important. You want to review the specs of the ESC you are using and have a battery that can supply enough amps with reserve. So if the ESC will pull a max of 100 amps, get a battery that will supply 125 - such as a 5000mah 25c. Nothing wrong with going to a 50C but you'll have issues with a 10C in this example.
    The Super Derecho

  6. #6
    RC Qualifier RCWilly's Avatar
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    I have 25C LiPos. Since it's brushed and doesn't really require much power, even 25C would be more than enough for it.
    Everyday's a gift, thus now is called the present.

  7. #7
    RC poster
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    Quote Originally Posted by RCWilly View Post
    I have 25C LiPos. Since it's brushed and doesn't really require much power, even 25C would be more than enough for it.
    thnx for the quick response Double G and RCwilly. Let the search for battery's begin.

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