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  1. K

    Noisy 500 cyclone

    One of my cyclone 500w motors is noisy...Have just replaced gear cogs with the sticky grease but still noisy ...bearings seemed ok ...Could it be motor spline.
  2. K

    battery pack failure

    This home made battery pack was under load to fail. In taking apart 2 cells seem to have got the pox or something has anyone had this happen. The pack did not have much use and i can blame the BMS for this happening.
  3. K

    cyclone 500

    I seem to have lost how to navigate this forum site as there was information about 500w cyclone int controller repair or replacement . This is after I seem to have fried the controller with getting terminals wrong ---can anyone help.---an oldie
  4. K

    cyclone int cont 500w blown controller

    In testing on good bike a cheaply made up 24 v (headway screw together cells )it capability of its BMS with my multi connections the blue wire i thought was neutral was pos, spark & now am sure I've ruined the internal controller ----Any suggestions beside replacing whole controller. I have...
  5. K

    Gloden motor battery.

    Ive been offered a golden motor 36v battery 15 ah ,, very small , so that seems too bigger ah for size . thes are made for I think 300w motors & I intend to fit to my cyclone (960w if 36v) does any have tried this as to me I'd say the BMS woldnt handle the current once going up hill. Do these...
  6. K

    Increasing Battery Voltage 36 to 48V

    Hi all -----I have a 36v Li ( not sure its L-ion or lifepo4 ) battery . was sold to me as 30AH so has heaps of cells . The cyclone 960W ex e bike controller because its LVC is so high but goes well on 48 V (tested with acid batteries) & have talked to taiwan man all about it . ( he...
  7. K

    Cyclone motor problems

    I have 960w 36v ext controller cyclone motor .(LifePo4 battery)Motor goes but after a short time with motor under load stops. Will not start again for a period but with disconnecting battery will spark & start again.Voltage does not drop below 34v so its not LVC. With shorting out BMS does the...
  8. K

    Without BMS

    Can a made up bike battery from used computer cells last without a BMS as i just met a guy who said his would as on his Bafang unit he has adjusted the LVC etc-------- if hes right I've been doing a lot of work on batteries unnecessarily .
  9. K

    Motor shuts down

    motor shuts down Postby k-harvey » Mon Oct 24, 2016 3:56 pm Hi --I'm not sure what column to put this Motor is cyclone 960w 36v brushless with ex controller from 36v LIFEPO4 battery with BMS --on an e bike. Motor stops initially with power indicator lights still showing indicating the...
  10. K

    Changing BMS

    I now have another battery pack (for e bike)that has had its day about 9 years old,(the max voltage is 12v)Its 24v 15ah for 650w cyclone motor (though no more power than 500w)It seems I can get delivery to NZ from E bay but no retailer can freight to us in New Zealand. I could buy cheap low amp...
  11. K

    Twist grip throttle no good

    Just converted another e bike(hub type ) from twist grip to left thumb throttle. The Reason years ago for him one brake cut out switch wouldn't (motor not going at all)work so just cut the magnet switch part off this time in replacing Battery other one in test ride i noticed wouldn't work & I...
  12. K

    Freight for Lithium Batteries

    Hi all -----It seems all the Chinese battery retailers now do not freight to New Zealand , I am asking is this because of their danger in air freight or why not freight by sea?--- -Is this only New Zealand as as soon as I mention NZ its said they do not freight to us bottom of planet...
  13. K

    best mid drive

    After looking at taiwan cyclone web on e bike kits if I was buying again today compared to all others including B fang the cyclone max 72v 3000w would be the best not that it would pay to go that high in wattage but the lower voltage ones would still be the choice of kit that i'll by next.
  14. K

    Older Lifepo4 ah good v bad

    Recently with purchasing from Br paco Taiwan cyclone the 650-1280W motor & staying away from the 500w internal controller type with my efforts to keep using my 2 good older LIFePo4 (24v 15ah) proved that the amp hour is still good but the volts drop so much so that his controller was useless...
  15. K

    LOw Voltage Cutout set too high cyclone

    I have had 2 brands of controllers for my cyclone bikes , Headline ( that I Fried)& now cyclone the cyclone one , I have analized the problem as being the LVC is set too high like 20v- -tested( Battery is 24v Lifepo4) with 2 of these batteries both drive 500w internal controller real good but...
  16. K

    Voltage drop in older Lifepo4

    Has anyone heard of this before -----have purchased exterior controller 650-1280(24v)w cyclone bike motor kit its suposed to be 24v controller that we have just analised its problem as being the LVC turns motor off as the batteries drop in voltage once load is applied. These same batteries...
  17. K

    Cyclone kit motor problem

    Has anyone heard of this before -----have purchased exterior controlle 650w cyclone bike motor kit its suposed to be 24v controller that we have just analised its problem as being the LVC turns motor off as the batteries drop in voltage once load is applied. These same batteries (lifepo4)...
  18. K

    BMS

    [attachment=0]!cid_6503f930$1$14c4e8777ad$Coremail$herbert$dtbattery.jpg[/attachment Can any one tell me of this 12v 30ah LiFePo4 battery pack how the BMS wires can be arranged . It was made so as to fit through a 160mm hole & in all my discussions i thought it was going too be in i piece ...
  19. K

    drive change cyclone kit

    Just did a few test drives of my cyclone 24v ext controller (stuck to 24 seeing i had these good batteries left over from the 500w that burnt controller) This bike i put the drive chain ring from motor inside (48t) & peddle one outside 52, I was surprised with the better performance with the...
  20. K

    Can I go without hall sensors

    On a brush less motor assisted e bike with bike in motion being the only time that power is applied. Can one go without hall sensors . As hall sensors dictate direction for motor to travel but using motor only when already peddling the forward direction has already been determined.
  21. K

    To increase Continious discharge.

    If in a 2 battery joined in parallel each with a continuous discharge of say 15amps would the continuous discharge of the total 2 packs be then be 30amps? My intention is to have for a 12v 400w motor, have 2 battery packs each 12v 15ah joined in parallel to upgrade the continuous discharge...
  22. K

    Internal controllers on cyclone & Bafang

    Midrive internal controllers ---Do Bafang midrive internal controllers pack up ,?? like cyclones Best with cyclone for me as still 24v & 'I'm not sure with bafang but I an keep 48 at the crank giving speed with cyclone.
  23. K

    Cylone 500 e bike brakedown

    My cyclone mid-drive 500w with brush less motor & only throttle,With swapping batteries I have proved its the motor side that is cutting out . After a short load on motor it cuts out rest it & it goes again . I think its the internal controller(again) or could it be the throttle & its wiring...
  24. K

    How do i balance each cell

    Bought a cell log thingy --couldn't understand how it worked , & given up trying , i think i was scammed as real cheap & useless. With 8 (10c) 12ah cells in 4 parallel to make 12v using 4s BMS after charging 2 cells 0 v so replaced them & since with 5v charger to get all cells 3.3 v then...
  25. K

    Again BMS is suspect

    my 12v 10 ah lifepo4 battery pack (half the cells are 12a as some got damaged with over discharging) turns off under load ,when disconnect then reconnecting goes then turns off with the load on but if no load keeps going. As quick as i can test cells all are at that time above 2.8 v is it the...
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