Recent content by jimmydoc

  1. J

    No power on my e bike.

    thanks, I think I'll have to check all the connectors- throttle, brakes etc.
  2. J

    No power on my e bike.

    Thanks Andy, the testers are not expensive, I'll wait for a day or 2, if no-one can help, I'll get one, thanks.
  3. J

    No power on my e bike.

    My charger was faulty and sent 90 volts through my Bafang 48 volt 750 w mid drive, ruining my Hailong battery and my Bafang controller. ( see pics.) Battery and charger were still under warranty , seller refused to replace the battery, sent me a new charger and a b.m.s. !! I've re-built the...
  4. J

    Which UK couriers will ship a battery?

    Thanks, waiting for a reply from them
  5. J

    Which UK couriers will ship a battery?

    I have a faulty E- bike battery and charger still under warranty, but I bought it from a German company on E bay. Will I be able to return it? I'm really confused by all the info. on line.
  6. J

    faulty battery?

    Thanks to all for your advice, I'll contact the supplier
  7. J

    faulty battery?

    Thanks for your help, I'll return them . Do you think my Bafang motor will be damaged? Can motors be repaired?
  8. J

    faulty battery?

    The charger is showing an output of approx. 85 volts, my meters are obviously ok., the high voltage appears to be going straight through the battery when the charger is plugged into the mains. There's also a slight pungent smell from the battery when it's plugged into the charger. I think I...
  9. J

    faulty battery?

    Hi, my ebike was on charge as usual last night, but today nothing is working. I removed the battery ( Hailong 48 volt 13 Ah) and checked the power output, it's reading 49 volts. When I press the power indicator button, the lights quickly flash and don't stay on. No 5 volt power coming from the...
  10. J

    Help! Dead Short

    I'll check the Mosfets and battery docking connections and see what I can find, many thanks for your help, Norrie
  11. J

    Help! Dead Short

    Hi, my Pulse zr2 ebike battery shorted out when I slid it into place, blowing the fuse . I tested continuity between + and - on the controller and there is a short. I disconnected all the wires from the controller and tested it again where the + and - are soldered onto the controller board...
  12. J

    Live cable connection.

    I checked the polarity, It's correct.
  13. J

    Live cable connection.

    I've just noticed the cradle/ receiver you mentioned, separated the two and of course I've disconnected the power supply from the battery! Now I can connect safely. You've also given me peace of mind about the BMS protection . I'll now charge my battery fully. Can't thank you enough for your...
  14. J

    Live cable connection.

    Hi, I'm replacing the battery on my Pulse Ebike with a chinese battery, but the battery has arrived almost fully charged (37volts) with no way to switch it off. As the red wire is live, how do I safely couple it to my controller? Do I have to discharge the battery ? If so, how do I do that...
  15. J

    Battery problems

    Thank you so much for your speedy reply cyclebuddy, this is more involved than I imagined, after reading this I think we will go to Halfords and see if they can check out the damage that we've done! will keep in touch , jimmydoc