14.8V 2200mAh 50C 4S or a 40C same battery

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  • F22
    Hobby Squawk Student Pilot

    • Oct 2017
    • 57
    • usa
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    #1

    14.8V 2200mAh 50C 4S or a 40C same battery

    14.8V 2200mAh 50C 4S RC LiPo and the same battery with only the C rating of 40 C whats the difference ?
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    • CFIT rob
      Any landing you can walk away from....

      • Jul 2016
      • 220
      • Indy
      • Send PM
      #2
      C rating...2200 50c should be capable of delivering 110amps max ,2200 40c should be capable of delivering 88amps max. Formula is amp hour rating (2200 mah = 2.2 ah) x c rating. 2.2 x 50 = 110. C ratings seem to be overstated by a lot of brands. The chemistry of standard lipos are pretty much the same. If the two batteries are the same dimensions and weight i would think the 40c rating is closer to legit.
      Still flying P.15, avanti(#2), mig 21, yak 130 70mm(#2), f35, f9f panther, a10 64mm, F8 crusader/ PA ultimate amr /HK skipper, durafly dh vampire, p 51,spit mk24, corsair, flybeam/ BH f86 50mm, deltawing 50mm/ HH su 26 mm,umx pitts,umx sbach, blade nano cp s,blade 450x, inductrix 200, inductrix pro, umx yak 54,umx f27 fpv/ electrifly 4s L39/ flyzone beaver/ volantix asw 28, /dynam B26

      RIP.. roc hobby waco,strega #2(you will be missed), Fw 90mm eurofighter.

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        • dfordham
          It's not a hobby, it's an addition

          • Mar 2017
          • 19
          • Las Cruces, New Mexico
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          #3
          The current rating of your ESC should give you a good approximation of the plane's required battery amperage. Using a higher than needed C rating is the equivalent of putting high octane gasoline in a low compression engine. You are paying more for energy you can't use.

          Don

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            • F22
              Hobby Squawk Student Pilot

              • Oct 2017
              • 57
              • usa
              • Send PM
              #4
              THANK YOU

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                • F22
                  Hobby Squawk Student Pilot

                  • Oct 2017
                  • 57
                  • usa
                  • Send PM
                  #5
                  Originally posted by CFIT rob
                  C rating...2200 50c should be capable of delivering 110amps max ,2200 40c should be capable of delivering 88amps max. Formula is amp hour rating (2200 mah = 2.2 ah) x c rating. 2.2 x 50 = 110. C ratings seem to be overstated by a lot of brands. The chemistry of standard lipos are pretty much the same. If the two batteries are the same dimensions and weight i would think the 40c rating is closer to legit.
                  so the bottom Line is if the batteries have a potential of 88 amps and I flew enough to use up 1/2 of that amperage I could fly for 4 minuets?

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