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  1. #1
    RC Racer
    Join Date
    Jul 2011
    Location
    Sioux City, Iowa
    Posts
    189

    Should I drain my batteries before charge?

    Is there a device I have to use to drain them? Or just leave the battery in the car with it on until it drains?

  2. #2
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
    Join Date
    Oct 2009
    Location
    Alma, MI
    Posts
    12,279
    You do not want to completely drain your NiMh every run. You want to stop using it when the RC slows significantly and then recharge after it cools. Completely draining and recharging them every time will kill the life span dramatically.
    Whatever it is I just said... I could be wrong.

  3. #3
    RC Racer
    Join Date
    Jul 2011
    Location
    Sioux City, Iowa
    Posts
    189
    Alrighty. Thanks!

  4. #4
    RC Racer
    Join Date
    Jul 2011
    Location
    Sioux City, Iowa
    Posts
    189
    Is there a certain voltage I should not let it get to?

  5. #5
    RC Champion
    Join Date
    Nov 2012
    Posts
    1,161
    What kind of charger you using. With mine after a run i will usually run a discharge / charge cycle. I have my charger programmed to bring them down to .9 or 1 volt per cell (cannot remember). I find this way i get accurate info on the state of my batteries by the final mah reading. Its not necessary to do it i just find this system works well for me. I have actually been able to save a few batteries this way as i seen a few times where the charge was very low so i set the charger to 1 amp and cycle charged a few times until the battery came back to full charge

  6. #6
    RC Racer
    Join Date
    Jul 2011
    Location
    Sioux City, Iowa
    Posts
    189
    I've just got the Traxxas charger. I only have the rechargeable battery for receivers and the ez start.

  7. #7
    RC Turnbuckle Jr.
    Join Date
    Dec 2004
    Posts
    3,643
    Quote Originally Posted by 1_handed_bandit_green View Post
    Is there a certain voltage I should not let it get to?
    When you notice the RC vehicle slowing noticeably, stop.

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