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  1. E

    E bike controller identification

    Thats an option, but this is also for fun i have more controllers. I find some things already.
  2. E

    E bike controller identification

    I have a 24 fet controller and am looking for some info. Do somebody regonize this controller board? I am looking for the info about the codes at the pcb for cruise speed limit and the rest. There are codes A1-A4, E1-E5, C1-C3, sl, sh, sx x, x, zf, q, L. It have 75V fets P75NF758 and 63V...
  3. E

    Source for a custom shaped batteries

    I buy my batteries from em3ev.com. The oldest is from 2014 and has Samsung 29E cells that are still working fine. I see they now charge for a 14s 7p pack between 500 and 630 USD depending on the type of cell. https://em3ev.com/shop/50v-14s7p-rectangle-battery-pack/ they also make custom...
  4. E

    internal resistance battery pack

    Tanks, i dont have the proffecional enquipment only the cycle analist. Next charge i check the capacity when bms cut off. When it was new it was little more then 25Ah years later is was arount 24 Ah. After then i never checked it. Unfortunately the fire was no joke. The entire top floor has...
  5. E

    internal resistance battery pack

    Yes I know the rules for lithium batteries. I have also been using lipo for the model flying hobby for years. Also am aware of the risks, learned it the hard way and burned down my house. My ebike charger has a mode that charges up to 90% full, which I always use unless I know that I go far...
  6. E

    internal resistance battery pack

    Thanks, I don't know what version it is I didn't make the package myself it is from em3ev.com. I will continue to use the package until it is no longer sufficient. I am actually amazed that it is still good after so many years, and I was especially curious whether something can be derived from...
  7. E

    internal resistance battery pack

    I have a battery with Samsunt 29E cells. 7s6p. The battery is from 2014 and is still doing well. Now I saw on the CA3 that the internal resistance is indicated. Does anyone know the resistance of a new package with 29E cells. The CA3 gives 0.102 Ohm for my battery. Is this very bad or is it...
  8. E

    Cycle Analyst V3 preview and first beta release

    I ment the Gain settings, porportional intergral and differential gain settings. I can't find the right settings i always get an overshoot. I try the things in the manual al ready.
  9. E

    Cycle Analyst V3 preview and first beta release

    I am now running 3.1b3 i like it very much. Thanks for the help. What settings do you use for the speedlimit?
  10. E

    Cycle Analyst V3 preview and first beta release

    Wow thats sounds great i go try the 3.1b3 firmware :) The temp is only important if its near its limits, that point i swicht from 1wd to 2wd. I realy like the option you mention. Only thing i need to find now is the best setting for speed limit i cant find the right settings. Any one with...
  11. E

    Cycle Analyst V3 preview and first beta release

    I get this warning when i update from V3 to V3.01https://lh3.googleusercontent.com/- Everything seems to work normal. Can i just ignore this? The CA is a great product. I have only one wich. To make it even better. Maybe it is already posible but i like to see the Ah in the main display...
  12. E

    2nd ebike and first built = I'm lost

    Paul em3ev can make any pack you need. Just send an email with cell type and dimensions you want. I have to custom packs for my wifes bike 29e cells . they are great. He also sell the 8speed Screw on type freewheel for the mac...
  13. E

    EBIKE GRIN THUN sensor and CA v3

    Teklektik already give the right answer. You need to look at the available Setup preview screens (When you paddle the bike) to see if the hardware signals are actually reaching the CA. And you have to put the bike on its wheels. With no resistance the sensor mesure no torque. This is the...
  14. E

    EBIKE GRIN THUN sensor and CA v3

    Can you make a picture from the connection between ca and thun. I can not see in the movie how they make thath. You have to follow the manual from the previous post. There is decribed how to coect the thun sensor. And also important how to setup the CA If you dont have the good settings...
  15. E

    My new battery mount

    @ Dogman I dont understand the first line. My english is not so good. But i will add protective material I have some space to add a layer of thick plastic bord or something. Under the black wrap there is an other layer of stuf it is like a print circuit board. I think epoxy plate. So the...
  16. E

    EBIKE GRIN THUN sensor and CA v3

    Did you set the parameters as described in the CA manual? I use a thun sensor and it works good with the parameters set as described in the manual. How do you wire the sensor to the CA?
  17. E

    My new battery mount

    I use a cube mtb for a few years now. The battery a 25Ah triangle pack from em3ev.com is in a battery bag in the frame. I was not happy with it, the battery was jumping in the bag when i ride a singel track. and I dont like the big velcro to mount the bag. Today i weld a frame for the...
  18. E

    DIY brakeswitch (reed witch)

    For my bike with hydraulic bakes i was looking for a witch for the ebrake. I find nice reed witch for only 5 euro. https://www.conrad.nl/nl/pic-ms-225-3-1x-no-180-vdc-130-vac-07-a-10-w-503557.html I drill a hole in the brake handel and glu a magnet. The switch is conntect to my CA v3...
  19. E

    Your Creation's Before & After Pics

    before: after: spec: 2wd 10T mac 29" wheels 24mm wide. 2x 6fet 30A 25Ah samsung 29E 52V Speed 50+ km/h CAv3 Throttle and now Thun BB (not on the picture)
  20. E

    XPD: open-source keywin e-bike lab replacement

    Problem solved, i connect the 3 speed swich it have to be at speed 2 only then you can program it. Now it works great on windows 10 you need to use old drivers for the usb cabele. Thanks for the great software.
  21. E

    XPD: open-source keywin e-bike lab replacement

    Hi i have a problem with the xpd. I have 2 6 fett controllers from em3ev. And one 6 fett from lyen wich is the same i think. when try to program the controllers i get this message: Upload failed: Invalid replay byte '38' Do somebody know my problem?
  22. E

    Cycle Analyst V3 preview and first beta release

    Hi, i have an CA v3 on a 2WD bike with 2 Mac motor's. It works good, only the speedlimit is a little problem. I can not find the right settings for the gain values. Is there sombody with a bike @50V and 50A that can tell his settings so i can try if they work for me too. i try the steps from...
  23. E

    Lithium Battery Catastrophic Events - Summary Thread

    The pack was almost new ~20 cycles. The connectors where looking like new. There was only 1 6s pack on the charger no custom wires. Tha pack was used for my model plane. The original breakoutboard was used. If it was a short it have to be in the charger. I now i was stupid charging at night...
  24. E

    Lithium Battery Catastrophic Events - Summary Thread

    I burnd my house down with a lipo. Was charging at night. I think charger dont cut off when battery was full. Charger: BC168 Balance charger Charger can do 8A but was only set @ 2A because less fannoise Battery: 6S 5000Mah zippy not old only ~ 20 charges and no un balans during use. all wires...
  25. E

    EM3 ev / Cellman Charger with 3 voltage switch.

    I have 2 of this chargers. One for the 14s triangle pack and one for the wifes bike. The switch is great. Like them and cheap to.
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