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  1. R

    Using drill chargers to charge nimh/nicd

    you're brilliant! I've got a few 12v NiCd packs I've been contemplating how to charge up, i've been eyeing my dewalt charger, but how to interface with the recessed connector had me scratching my head, but running an external connector from inside the charger is a very elegant solution. Keep up...
  2. R

    Two New Cells From A123...

    Also, any reason they couldn't make these in...say....50 or 100ah bricks?
  3. R

    Two New Cells From A123...

    Just what we've been waiting for! These are really sized more for ebike use than any other application. A 10 kwh pack for an electric vehicle, without paralleling, would need to be 1000v! But a ebike battery pack could be a much more reasonable 72v without the need to parallel cells, and...
  4. R

    EV Tech had a Lipo incident

    If you think about it, with all the lipos common in everyday items (cellphone, laptop, ipod, etc) its amazing this sort of thing doesn't happen more often. If all it takes is a faulty charger pretty much every household has many potential risks plugged in on a daily basis.
  5. R

    NIMH or LIPO.

    When you take life cycle into account lipo is clearly the better choice. NiMh often only make a few hundred cycles even if you treat them right. Lipo should be good for double that. Safety is kind of a deal breaker though. have you considered the A123 cells? The same amount of money will get you...
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