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  1. #1
    RC Qualifier
    Join Date
    Apr 2012
    Location
    Pittsburgh
    Posts
    753

    Theoretical voltage vs real voltage?

    I was having some issues with top speed in my slash mini and have come to the conclusion that it is either an RPM limiter, or NiMh voltage dropping severely under load. While discussing that, I was told that a 3s will hold more than 11.1 volts.

    Is that true? If it is true is it safe?

    If I had 2 3s in parallel that put out constant 12.5v it would solve my problem completely.

    Thanks in advance.
    0111001101101001011001110000110100001010

  2. #2
    RC Turnbuckle Jr. 87 GN's Avatar
    Join Date
    Mar 2010
    Location
    kansas
    Posts
    7,820
    3.7v per cell
    fully charged is 4.20v per cell
    3.7 x 3 = 11.1v
    fully charged
    4.2 x 3 = 12.6v

    Batts in series double the voltage:
    2x 2s 20c 5000mah = 4s 20c 5000mah

    Batts in parallel double the mah capacity:
    2x 2s 20c 5000mah = 2s 20c 10,000mah.
    Would you go flip my truck back over??

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