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  1. ahambone

    Headway Pack Performance Analysis

    Time to share some Headway data porn. The 120 cell Headway pack has been in "testing" use in the car for a few months now. I've determined that the 50-AHr (5p)x24s pack gives me just about 15.2 miles of range, taking the cells down to 64V total (~2.6V/cell) where my controller cuts me off...
  2. ahambone

    Headway 38120S - Group Buy Opportunity (Houston, TX area)

    Hello Everyone, [edit: Maybe we should rename this the 'Headway May 2009 Group Purchase' thread. I think I will be joining frodus' buy out of the west coast, read the next 3 or 4 posts for details --adam] My motor and adapter plate are in so it's time for me to move on with my battery packs...
  3. ahambone

    Testing HWC 18650 form-factor LiFePO4 (3.2v/1.4ah) Cells

    I mentioned earlier over in the "even newer 24 channel BMS" board that I would be getting in a sample set of HWC 18650 format cells for testing in an EV project. I have received my cells and have had a little time to tinker with them. The cells are available online at Volts Phreaks - a...
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