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Thread: Best way to connect multiple lipo's

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  1. #1
    Ocracoke's Avatar
    Team Kaizen

    I run my heavier class robots with their batteries in series to up the voltage. These are matching pairs of voltages and capacities so I end up adding in just the one fuse, treating them as a single battery in effect, like you mention for parallel batteries. Do you have a wiring diagram of how this would work? I wouldn't have thought takeoffs in the middle of the series chain would work as you describe but I don't claim to be particularly knowledgable with electrics. Perhaps it is my lack of understanding.

    Whilst fusing them individually might make sense, I'd be more worried about exhausting the smaller capacity batteries first. I have that same concern with my batteries in series if I don't get enough time to charge them or change them around. Having a fuse at each stage of the series wouldn't have prevented that I wouldn't have thought?
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  2. #2
    RobK
    Guest
    Hi Lucy, thanks for the reply.

    I'm Rob with the yellow Fruitcake robots, I've seen/ spoken to you at many events.

    Going to try and upload a picture. I'm not sure if it would need some sort of protection on the return paths to prevent any reverse flow?

    It is the individual cell protection I'm worried about. This robot will have an Arduino running some parts so I'm sure I could sort the code out to monitor the individual batteries and shut the systems down if a certain threshold is reached. But not sure how this all stacks up for tech check etc

    IMG_20200928_211321_309.jpgIMG_20200928_211321_309.jpgIMG_20200928_211321_309.jpg
    Last edited by RobK; 28th September 2020 at 21:25.

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