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  1. bonbond

    14S4P in linear configuration - BMS balance and Copper/Nickle sandwich

    Hi all I'm planning a battery build that requires the cells to be laid out linearly. Like so: I know this layout is a pain and not ideal, but its the only way they'll fit in the cavity... NB: I'm not planning on building this myself, hopefully getting it build professionally, so just...
  2. bonbond

    Bafang M620 - 52v on motor labelled 48v?

    Hi all! I’ve pretty much finished my M620 build, the only thing I need is the battery.. The motor has a 48v sticker on it, it’s the UART version, so I can easily change the low voltage parameters. I’ve read here that a 48v M620 can easily handle voltage from a 52v battery. I’ve also read...
  3. bonbond

    Compact 14S BMS?

    Hi Can anybody recommend a reliable and really compact 14S BMS? Or have any ideas? I’m designing a new battery case for my bike to replace the stock solution, and space is really tight as I’m trying to squeeze 56 21700 cells into the down-tube. The bike has Bafang M620, limited to 30A max...
  4. bonbond

    e-brakes for Bafang (M620) - updated with image

    Hi I was wondering if anybody has any experience with these hydraulic e-brakes (or anything similar)? https://tinyurl.com/4nsdvjze <- link broken so pasting a picture I retrofitted brake sensors to my BBSHD, but starting a new M620 build and wondered if this was the way to go. Cheers
  5. bonbond

    Bafang M620 - Voltage, CANBUS and Display.

    Hi all! I’m about to pull the trigger on a Bafang M620 build and wanted to check some of my assumptions with you guys: I’m ordering a 48v motor, I’ve read here that this is the best option as I could run that with a 52v battery if I wanted. That’s a better idea than ordering a 52v motor and...
  6. bonbond

    Scott Scale 950 - Torque Arm solutions?

    Hi there I'm on the verge of building my first eBike, it all seems to stack up nicely, but I'm thinking about my options as far as torque arms go. I was wondering if anybody here had any bright ideas or had converted the same bike (as per title, a Scott Scale 950)? Essentially, I'm looking at...
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