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  1. M

    Challenge with brakes

    My mother has a ladies bicycle with a low frame that she loves very much, so last year I converted it to a electric bicycle with a bafang bbs02 mid drive. The big problem is that this bike has a internal geared hub in the back with internal "coasting brake" as in it brakes when you pedal...
  2. M

    Looking for a good BMS for 16 cell lifepo4

    I am trying to find a good BMS, which is hard because most of them seems to be crap. I have been running one of my 16s lifepo4 packs bottom balanced without a BMS now for a while which works fine, except for charging termination. No matter the voltage set, one or more of the cells will start...
  3. M

    Lifepo4 balancing questions

    I have had my 48V 20ah lifepo4 "eBay" pack since 2013. It has been working nicely, but it only has about 2500kms on it, and I very rarely discharge it more than 50%. For periods (winter) it has been sitting with the bms connected. This spring I decided to do a health check of the battery, so I...
  4. M

    10s 41v charger, where to find?

    Hello. Long time reader and builder, but never registered before now. Last year I built a e-bike for my mother with a bafang bbs01 250w and a 36v bottle battery. Thing is, i´m trying to get a hold of a charger with a end voltage of around 41V to be a little more gentle on the cells and maybe...
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