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  1. Technical Discussion
    I am not the best a chemistry, but I've been read that with copper bus bars for batteries, that you need to prep them to avoided Copper Oxide from forming and increasing ohmic resistance and causing heat to build up leading to cell failure. and also to prevent galvanic corrosion of contacts...
  2. Classifieds
    Update 9/2/2015: This item has been sold. This controller had a serious smoke incident before I got it. The cover has been removed and there is a lot of black charring inside. There may be some good FETs, and the Capacitors (680 uF @ 200V) are not visibly damaged, but nothing is...
  3. Batteries and Charging
    Just finished up a new batch of busbars made from hammered copper pipe for my new pack configuration, so thought I'd share my method. Why: A typical 2/0 connector costs around $8 (lugs $2.50 x 2, 2/0 $3/ft). A DIY busbar is just $1-$2/ft, and not much more work than using a hammer crimp with...
1-3 of 3 Results