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  1. #1

    Diffrence between 3000mah and 5000mah batteries?

    Looking for a new battery for my on road electric and there are 3000mah and 5000mah was just wondering what the diffrence between the 2 is and what the hell is a mah?

  2. #2

    Join Date
    Dec 2010
    Wenatchee, WA
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    Mah is battery volume. 1 mah is 1/1000th of an amp hour. An amp hour is the volume needed to supply 1 amp for 1 hour. So a 3000 mah battery will supply 1 amp for 3 hours. 5000 mah is 1 amp for 5 hrs. The 5000 battery will run longer between charges if it will physically fit in the car.

  3. #3
    Moderator Foxy's Avatar
    Join Date
    Mar 2005
    Kingston UK, but living in Athens, GREECE
    Battery mAh rating is the duration (MilliAmp Hours) and directly refers to how many milliamps the battery can deliver over an hour. The higher this figure, the longer the battery will last. This is largely linear, therefore a 3000mAh battery will last 3/5ths as long as a 5000mAh. Remember also that the duration affects the current rating. If both batteries are 20C, then the 5000mAh delivers 100A (5A*20C), and the 3000mAh delivers 60A (3A*20C). Use this formula to work out the current handling characteristics of any battery (mAh*C= maximum Amps delivered).
    Last edited by Foxy; 07-23-2014 at 01:15 PM.
    Down with the crew known to pump up the bass...
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  4. #4
    nitrosportsandrunner's Avatar
    Join Date
    Aug 2007
    skowhegan, ME
    go for the 5000mah pack. It is worth the few extra bucks, and 5000mah packs will power most any 1/10 scale model and give good runtimes.
    SC10rs, 1/6 hummer crawler, Kyosho Twin Force, Lunchbox project, Techone P51,

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