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  1. S

    in 2023, what are the great battery options out there?

    Hi! I would like to know what are the good options for battery packs as of today. This forum is a goldmine of information, but a lot of it is outdated... or is it? What are good battery options for building a high density high current battery pack today? What stores are reputable and don't lie...
  2. S

    Molicel IMR26700 alternative?

    What about the Lifepo4 prismatic cells? What do people think about those?
  3. S

    Molicel IMR26700 alternative?

    Thanks, I hadn't come across those. They look like a good alternative, although they are not cheap.
  4. S

    Molicel IMR26700 alternative?

    Hello. Rebuilding a Zero DS 2011 motorcycle pack quickly, I followed a recipe that uses Nissan Leaf battery modules. But this got me wondering : what are today's (2022) modern alternatives to the original 378 x Molicel IMR26700 cells that were in the original pack (27P14S)? This new Nissan made...
  5. S

    how-to salvage old cells?

    Well, moot point I think. I've measured the capacity of a few "salvaged" cells, and they are far from the supposed 2900 mah specification. I've measured them between 1200 and 1400 mah.
  6. S

    how-to salvage old cells?

    Well, I've heard a lot about the dangers of over-discharged lithium batteries, lots of people talking about it, but never anyone showing actual data about it. So, I did some research and came across this great explanation, as well as a the mentioned research paper about it published in Nature...
  7. S

    how-to salvage old cells?

    Hello. Thanks for the important warnings and caveats, I will keep those in mind when deciding on the applications for those salvaged cells. Is there equipment I can get to do bulk operations on these cells to help me sort them? I now know I can trickle-charge them in parallel to a safer...
  8. S

    how-to salvage old cells?

    Hello. So, I just got this 2011 Zero DS motorcycle with a dead battery pack that I replaced with Nissan Leaf cells. I would like to salvage what I can from the dead battery pack. It is composed of 312 IMR-26700A from Molicel. The pack has been over discharged, most of the cells are lower than...
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