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  1. N

    LiFePO4 - building my own pack

    Reason for building 2x 36v packs BMS units are easier to come by there fore being possibly cheaper and the same for chargers also battery packs can be kept separate so I can have one in the triangle frame and one on the rear carrier without to much wiring in between. Eventually these may get...
  2. N

    LiFePO4 - building my own pack

    Its been a while since I have posted here been into other things like HHO generators etc etc but am now thinking as my original NiMH batteries are getting close to 200 cycles and holding less than 60% capacity its time for new batteries I have seen prismatic rectangular cells with screw threads...
  3. N

    Yesa

    just looking at your cell voltages it seems like on both packs it is the 5th cell as well as the 2nd cell on one pack could there be a possibility there is something in the bms to cause this although I dont think you would want to swap both BMS boards over but that could eliminate cell 2 in one...
  4. N

    LiFePO4?

    I think it was supposed to be $1.17 w/h
  5. N

    LiFePO4?

    $1.17 Kw/h ?? where ? I want some at this price that is soo cheap
  6. N

    the ideal and practial motor solution

    this has been done already here nice set up and I am sure could be fitted to nearly anything
  7. N

    Currie at Interbike

    I wonder what the pricing would be for 2 of those batteries it would give me twice the range I have now and are about the same size
  8. N

    new guy new problem

    it could be possible that there is a short occuring in the case try measuring the resistance between each power lead and the case (also with controller wires)
  9. N

    The Spotted Thread!

    I have seen one go past my work a couple of times it was powered by a chain driving the rear wheel but not sure what battery pack he was using (it was dark @ the time ) but you could hear it go past
  10. N

    Thermistor question

    pin 3 = thermistor pin 1 is +ve pin 2= -Ve just swapped one out yesterday
  11. N

    Mounting 5304 motor

    Just looking at the latest pic of the torque arm I will first say that I dont know much about them as I dont have one myself but would that setup not make spreading the dropouts easier as the force is applied to a slightly weaker part of the dropouts - a bit like using a lever to get more...
  12. N

    Regen on 72v 40a xlyte controller ???

    I am now running 72 volts and the only time I see neg amps is around 60 km/h or above and is is so small like -0.09 but not enough to register in the -A/H reading
  13. N

    10k or 12k ntc /ptc

    After trying a couple of times to charge it it worked I found that the problem is properly in the fact the the plug on the charger does not completely make a snug fit this has been the case from day one and I will try to get a replacement socket for the battery today I can still plug the same...
  14. N

    10k or 12k ntc /ptc

    I am having some problems I am running two crystalyte battery packs 36v 9 Ah and have come back from a heavy current trip 72v @ 20A and waited at least an hour b4 starting to charge one pack when I plugged in the charger would flash yellow then turn to red only (not charging) the 2nd would start...
  15. N

    My Cannon Full Suspension

    I used to have the same controller The 36 v controller has 55v FETS so a fully charged 48v pack may get very close to this figure (or even just over) I had thought about doing this myself at one stage but decided against it.
  16. N

    Anderson PowerPole question

    I ordered mine thru ebay only $8.50 for a set of 10 and I have soldered all of mine without any problem
  17. N

    He pretend to built the "Fastest E-Bike on the planet&

    I reckon my Ebike is quicker than that I believe I have the fastest in Tauranga
  18. N

    Quadcycles

    What about something like this from solarbbq web site? not sure about price thou http://www.users.bigpond.com/solarbbq/newproducts.htm it is not quite what you want with only one front seat but it is a start
  19. N

    * * * THE 30 MPH CLUB * * *

    Finally I can join the club had over 50 Km/H on a flat road and 65.5 so far down hill
  20. N

    Fush's EBike Project #001

    fush for the lights maybe you could use a zener diode but I am not sure what the max current through them are although you possibly could use one through a high power transistor and build a simple circuit but it has been about 12 - 15 years since I done this sort of stuff things are now almost...
  21. N

    Help Me Choose an E-bike!

    xase building/assembling is very easy if you can remove a wheel and replace a tire you are halfway there I my case the battery had a mounting bracket that attached to the water bottle holder inside the frame then all you need to do is find somewhere to mount the controller and throttle (my...
  22. N

    408 going to 72v

    I have just ordered a 2nd battery and charger from the crystalyte dealer in NZ so I can go 72 volts they are just the standard NiMH that come in the journey battery box I have decided against LiFePO4 just for now and stuck with NiMH mainly because I need only one other pack rather than 2 if I...
  23. N

    Ebikes in Sydney

    if you were to go past solarbbq's place im sure you would find several I am thinking he lives somewhere there
  24. N

    LiFePO4 and LiMn Pack Photos

    I am not sure of the voltage in china but I think it may be 230 is there a switch on the charger or a label you could just try and google it edit just been on google and got this China uses 220 volt power supply for standard domestic and business purposes. Hotels generally provide wall sockets...
  25. N

    Yesa

    I just got a email back from sam at yesa We have asked our engineer. To use two pack is OK. each pack have a BMS to control the charge and discharge .
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