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Lipo Battery C rating

Discussion in 'Recreational sUAS Flyers Discussions' started by Idahobell, Mar 22, 2014.

  1. Idahobell

    Idahobell Banned

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    Posted by Idahobell, Mar 22, 2014 #1
    Can a C rating on a lipo battery be too much for a specific quad or is only that it can be too small?
     
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  2. kloner

    kloner Aerial DP

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    Posted by kloner, Mar 22, 2014 #2
    can never bee too big, they just cost alot.... and most i've been around 50+c are extremely unstable, kinda easy to screw up if you will.....
     
  3. Idahobell

    Idahobell Banned

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    Posted by Idahobell, Mar 22, 2014 #3
    So a 4s 5000mah 40c lipo for a Tarot 680pro would be a good battery?
     
  4. tombrown1

    tombrown1 Member

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    Posted by tombrown1, Mar 23, 2014 #4
    Yep. All depends on your payload and flight time expectations though.
     
  5. PeteDee

    PeteDee Mr take no prisoners!

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    Posted by PeteDee, Mar 23, 2014 #5
    It is a bit more complicated than that but only a bit.

    To work out how well a chosen pack will work with a particular rig you need to have an idea of what your amp draw will be at hover, for a basic quad that weighs around 1.5-1.6kg you would expect about a 18amp draw, it can go up to 50-60 amps when you give it the beans.

    To work out what a battery can deliver you take the "C" rating and multiple it by the capacity of the pack so looking at your example of a 4S 40C 5000mH pack can deliver 40 x 5.0 = 200amps, plenty for what you want to do.

    The bigger the battery capacity the more it will weigh and the more weight you carry the more power will be used to just get off the ground, it is always a trade off to put a bigger battery on board.

    Pete
     
  6. RichardDoty

    RichardDoty Member

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    Posted by RichardDoty, Mar 25, 2014 #6
    [h=1]GE POWER 11.1V 5200mAh 30C LiPo battery can met your needs as Pete said"The bigger the battery capacity the more it will weigh and the more weight you carry the more power will be used to just get off the ground, it is always a trade off to put a bigger battery on board."[/h] View attachment 16982
     

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