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Buffer battery

Discussion in 'DIY Motion Simulator Building Q&A / FAQ' started by Thick8, May 4, 2025 at 01:02.

  1. Thick8

    Thick8 Just some random guy

    Joined:
    Jan 1, 2025
    Messages:
    40
    Location:
    South Carolina USA
    Balance:
    218Coins
    Ratings:
    +12 / 0 / -0
    My Motion Simulator:
    3DOF, DC motor
    Hi Guys,
    I have some good sealed gel wheelchair batteries that I intend using on my soon-to-be 6DOF platform. All the rigs I've seen have multiple power supplies installed. I was thinking of using a single PS and 4-6 batteries instead. My goal is to try to keep the power coming from the wall at a more constant level. Basically running the rig from the batteries and keeping them charged with the PS. It's either that or install a dedicated circuit to run the rig. My home is 75 years old and whomever did the electrical updating prior to me buying it did not do a great job of load leveling. My wife mentioned that some of the lights flicker when I'm riding the P3 that I have.
    Thanks,
    John
    Thick8, May 4, 2025 at 01:02
    #1
  2. Gadget999

    Gadget999 Well-Known Member

    Joined:
    Dec 27, 2015
    Messages:
    1,953
    Location:
    London
    Balance:
    11,947Coins
    Ratings:
    +484 / 10 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino, 6DOF
    yes this should work

    the batteries act like a capacitor also and absorb the regenerative currents

    I se 2x car batteries at 24V and have a power supply that keeps them topped up

    there are several hundred amps available in an instant
    • Useful Useful x 1
    Gadget999, May 4, 2025 at 12:30
    #2
  3. Thick8

    Thick8 Just some random guy

    Joined:
    Jan 1, 2025
    Messages:
    40
    Location:
    South Carolina USA
    Balance:
    218Coins
    Ratings:
    +12 / 0 / -0
    My Motion Simulator:
    3DOF, DC motor
    Thanks for that. I have 4 wheelchair batteries and their associated charger. Or I can keep them charged with a 500w Meanwell.
    Thick8, May 5, 2025 at 01:47
    #3