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  1. P

    Adding a parallel group to an existing pack (same cell model)

    I have a 4p14s pack that i would like to increase the capacity by adding another parallel group to it. The cells are all of the same manufacturer and model. The existing pack is fairly new only a couple months of use. If i make sure that the voltage of the cells on the assembled pack and the...
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    Feedback about folded battery layout for 14s12p pack

    Hi, Im building a 14s12p pack that will be folded in half, basically built out of 2 block and connected at mid point. I've attached a pic of the best battery layout that i could think of. I tried to keep the series connections short. The pack will fold in the middle. Let me know if anyone...
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    Is a little rust normal for nickel strip in salt water

    [img][img]I purchased some pure nickel strip from ali express. I cut a small portion and scratched the surface of the strip in order to epose the center of the strip and then placed it in salt water for 48h. Ther eis a small amount of rust as can be seen in the pics. Is this normal or does...
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    Building a LiPo pack with high discharge (burst 300A) and BMS

    Hi, Based on your experience with LiPo packs what would be good cells to use to build a 52V with around 15AH and continous discharge of 120A and bursts of 300A ? As a bonus if anyone has experience with a good BMS that can handle these currents also would be great to know. It is going in an...
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    How remove one parralel row from battery?

    i have built a 14S4P pack with nickel strips as usial and would now like to remove 1 of the 4 parralel rows so i end up with a 14S3P. I would ideally like to keep the series connections for the single row that will be removed so would like to remove it from pack by cutting the parralel...
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    BMS handling of peak current

    im trying to understand how the following setup would behave: 52V battery built from 5P14S 20700 sanyo with 35A continous. BMS 120A limit for 14S the battery would be capable of 175A continous at 1C and at 2C could do burst of 300A. question im wondering is will the BMS allow bursts of 300A...
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