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  1. M

    Need help with a few various parts.

    Ok I understand. Interesting job! I wouldn`t buy the cells on aliexpress. Here in eu we have a quite cheap shop called "nkon".
  2. M

    Need help with a few various parts.

    @ flippy: I understand your point of view. For ebike etc. the 18650 have a good size. Yes more cells distribute the loads better than less cells - I also think in this way. The 21700 user are somehow early adopter, the benefits of most of the cells seem to be small and the risks high. The...
  3. M

    Need help with a few various parts.

    Hi flippi 1 - I don`t understand - you say that the 18650 cells are better? why? For the handling and spotwelding process the bigger cells would be better because you need less connections and the area to spotweld is bigger. 2 - the design was new - not outdated... I knew that the cells...
  4. M

    Need help with a few various parts.

    @ flippy thank you for answering. You are wright, tesla is hyped and most likely overrated in my opinion but I have to admit that I didn`t read this marketing speech bevore I bought them (in spring 2020 - a time where theses cells were not on the market. I chose these cells because of 1. The...
  5. M

    Need help with a few various parts.

    @ therobby3 thanks for the answere - so they somehow spot-welded the cap on the battery - and I am not able to spotweld the nickel strip to the battery - so I`m most likely not able to attach this cap (?). :roll: I have some shrink wrap - but I am relatively shure it is not stable enough to...
  6. M

    Need help with a few various parts.

    Hello therobby3 and group, I have a lot of these tesla 3 cells - directly from a car. My cells look the same as in your picture. I tried to spot-weld them. The +pole ist out of aluminium and it the spot-weld-connection doesn`t work. One battery lost some fluid (looked like water). It came out...
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