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  1. R

    Quick and Dirty Programming Cable for Bafang BBS02

    In case you are in need of a programming cable for your Bafang BBS02 middrive unit, here is a quick and dirty solution. You will need a TTL to USB serial cable using the PL2303HX chipset, a female-female jumper wire and some 3mm heat shrink wire wrap. The TTL to USB cable is readily available...
  2. R

    Bafang BBS02 Build on Schwinn Road Bike

    Following is my build of a Schwinn Searcher 1 hybrid/road bike with a Bafang BBS02 500w 36v mid-drive system. The build process was fairly easy thanks to all the helpful info from posters on the various threads here on this forum. So a big thanks to all those who went before me and posted on...
  3. R

    Finished Building My A123 20ah Battery Pack

    I finished my build of a 12s 36v 20ah A123 battery pack back in February but I am still running some load tests. I’m happy so far with the results and had fun with the build process. Thanks again to all the posters on this forum for all their valuable contributions. I knew little about...
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    How to Determine Quality of A123 20AH Cells?

    Since we are buying these A123 20AH pouch cells from undetermined sources, can anyone suggest a good method for determining the quality of these cells? For instance, what would be a good Internal Resistance value for a cell? How long should it hold at a resting voltage? I would also like to...
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