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  1. R

    BBS02 Hall sensor problem

    Hi all, have error 08 on my Bafand BBS02B. Ordered new hall sensor board off ebay Reliable Hall Sensor Board for For bafang BBS0102 HD G340 G320 Midmotor | eBay The sensors are not soldered in place and I do not see any identification to mark the left from the right leg. Does it matter which...
  2. R

    Display for Dabu controller ( pedego)

    Attempting to repair a friends Pedego electic bike. The Bigstone C500B display has gone. I have run the bike by shorting the power and data wires and then using the throttle. That all seems ok . It seems to lose power after a while on steep hill climbs and I wonder if that is because it is...
  3. R

    four failed smart bms's

    Just wondering if anyone had an idea as to why I have had so many Smart BMS's that have failed usually after a couple of years use. ( 4 on 3 different 13s batteries over about 3 years.Is this usual. I am not aware of shorting or damaging them but though ok spotwelding cells together and wiring...
  4. R

    Reason for not balancing properly last group of cells?

    Hi have a bluetooth bms to balance a 13s li-ion battery. It does not balance the last group of cells. Pictures below
  5. R

    will 14s bms be ok for 13s battery

    Hi I was sent a 14s bms from ebay [https://www.ebay.co.uk/itm/48V-13S-45A-Li-ion-Lipolymer-Battery-BMS-PCB-with-Balance-For-Ebike-Escooter/352110181143?hash=item51fb66fb17:g:GWEAAOSwFdJZtikT]here. I ordered a 13s one. I am requesting a return. But would it be ok to use using only 14 of the 15...
  6. R

    is Ping BMS ok for Headways?

    Hi, I think I have read here somewhere that the Ping BMS cuts off at a higher voltage than the Headway or Vpower bms (around 29.5v instead of around 28.5 v for 8s). Is that correct and if so would it be ok to use a ping bms for a headway battery build or would it be safer to spend the £30 or so...
  7. R

    cammy cc bms repair

    Hi I have a cammy-cc 24v- 20amp battery . A few weeks ago the BMS cut off the battery though the battery was still 27v before it reached the bms. The output from the bms was 2v lower at 25v. Since then I have been running the bike without the bms and connecting bms to charge. The cells though...
  8. R

    anyone come across 2 speed freewheel for sturmey

    Hi I am reconstructing an old raleigh folder. It has a Sturmey Archer 3 speed. I was thinking I could get a much better low range on it if I could get a 2 speed screw freewheel something like 15 28 instead of the current 17 tooth freewheel it has. Anyone come across or made one up. Altenatively...
  9. R

    Charging 2 lifepo4's in parallel

    Hi I have a ping and a cammy battery. I am touring for a few days and it would make it simpler to be able to charge both batteries in parallel. I plan to use 2 diodes and charge them as in diagram. Are there any potential problems with the idea? Cheers Rob
  10. R

    Charging 2 lifepo4 batteries with 1 charger

    Hi . I would like to charge my 2 batteries one a cammy and one a ping with one charger. Is there any reason why I can't. They both have bms's. I was thinking of making a lead up that would simply allow me them to charge them in parallel through their respective charging leads. I can see no...
  11. R

    Faulty BMS?

    I have recently rebuilt a cammy 24v 20amp pack that caught fire a few months ago. I have replaced a set of dead cells and also the bms monitoring cable that had been destroyed. I have wired it up as below working it out myself and with various other wiring diagrams that were on this and other...
  12. R

    Wiring bms balancing ribbon cable

    Hi After my cammy battery catching fire a few months ago http://endless-sphere.com/forums/viewtopic.php?f=14&t=13514&hilit=battery+ignited Cammy sent me some replacements sets of batteries and a new bms lead which had been damaged. So far things look ok but I am not sure how to wire the bms...
  13. R

    cyclone 360 dead?

    Hi after not riding for a week I switched on my cyclone 360 and it was dead , no light on the throttle control and no power. The Battery is ok. Could it be the controller? Or possibly damp to the throttle switch. All connections seem ok. Is there a way to test the motor without taking it apart...
  14. R

    duct tape pack ignited

    Hi, I have been trying to work out why my 6 month old cammy 24v 20 amp duct tape pack set fire. I think after opening it up and checking voltages that it could be either be that one of the cells in the 18 cell group of batteries failed and so shorted the rest of the pack to over heat and...
  15. R

    charger questions

    Hi Can I charge 2x 12 v sla batteries in series with a 24 volt lifepo4 charger. I have a lifepo4 24v battery and the 24v 5 amp charger that came with it(a cammy-cc pack). I also have 2 sla batteries of approx 17amp/hours each Occasionally I pedal about 40 miles to a friends where I recharge all...
  16. R

    Cyclone 360 motor lost power and surging wet?

    Hi , yesterday, my cyclone 360 motor started to lose power with occasional power surges . The red light on the throttle also came on despite an almost fully charged battery. It has been raining here the last several days and I think it has probably got water in it. The motor will also start...
  17. R

    Any advantage to having battery isolating switch on cyclone?

    Hi, I want to tidy up the wiring and the battery mountings on my cyclone powered bike. At the moment I have a 300 amp battery cut off switch http://www.shopwiki.com/_Pico+5575PT+500amp+Momentary+350amp+Contiual+Battery+Isolator+%2F+Power+Cut-Off+Switch inherited from an earlier ebike. Is this...
  18. R

    lifepo4 controller shorted out overnight damaged mms?

    Hi I recieved a cammy-cc 20 amp hour 24volt lifepo4 battery about 2 months ago...
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