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  1. #1
    RC Racer
    Join Date
    Feb 2011
    Location
    Saskatchewan
    Posts
    206

    battery help plz

    I have a 3.3 revo that was converted to mamba and need to know if I only run 4s that would 2 20 c 5000 brand x would work ? I'm only gearing it 20-54 nothing too crazy . Or do I need a higher c ratings?

  2. #2
    RC Competitor
    Join Date
    Apr 2011
    Location
    slave lake alberta
    Posts
    77
    i would go with 25 or 30c 5000mah times 20c equals 100000 then take off three zero's to get a hundred amps you should have about a 125 amps so at least 25c i could be wrong though somebody will jump in and let you know.
    .26 revo
    slash2wd&4w4
    summit
    embe
    2erbe

  3. #3
    RC Turnbuckle Jr. 87 GN's Avatar
    Join Date
    Mar 2010
    Location
    kansas
    Posts
    7,822
    MY BATTS:
    2S 9000 x 28C = 252,000 divide 1000 = 252 amps
    2S 8000 x 28C = 224,000 divide 1000 = 224 amps
    3S 5200 x 40C = 208,000 divide 1000 = 208 amps
    2S 4700 x 25C = 117,500 divide 1000 = 117.5 amps
    I run in my Summit.. ^ Requires proper gearing^


    ( mah x c rating / 1000 = amps),

    The more amps the better / minimun of 120 amps.


    The ESC will only draw the amount of amps it needs.

    Higher the mAh the longer the runtime.
    For brushless systems 8000 mAh about 45 min & a 5000 mAh about 30 min.
    Times are longer for brushed systems.

    30 C is good & a 40 C would be better..
    Would you go flip my truck back over??

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