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  1. E

    Tabless design cylindrical cells tests

    Not sure if this is of any use, if not, I can delete it just let me know, simply searching for tabless cells got me this: https://lib.energy/tabless-cells
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    20S1P - Is That Even Possible

    As an aside, their rating of 20,000 watt for the ebike, while having a 72v system using a 200amp controller is also suspicious, given how that should be a max of 14,400 watts, but that's a story for another thread.
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    20S1P - Is That Even Possible

    Just got a reply from seller after some painstaking inquisition. It is indeed a pouch cell that they called a "Ternary soft sheet battery" In other consideration, Dewalt does use pouch batteries as their newest way to save space/weight, and I have used their newest in their highest rated impact...
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    20S1P - Is That Even Possible

    I will try to find out the brand but it's the 20s1p that's throwing me off. How can more than 1 cell be parallel to itself? So let's say that each cell is 5ah. To get 75ah, one would put 15 of them in parallel, which should be notated as 20s15p, if my assumptions and math are correct. If said...
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    20S1P - Is That Even Possible

    Hi folks. I have an Alibaba ebike vendor claiming a 72v75AH battery in their bike. When I asked about the details, they said it was made of 21700-type cells with 3.6v per cell, and sent me a few pictures of the battery. While its dimensions and weight seem reasonable for the amp hours, a...
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    QS273 5T with Sabvoton 200A - good setup or 3T better?

    Sorry to necro this. Its 2.5 yrs later and similar deals are still on ABB - are they more sensible now, as battery costs have gone down?
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