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  1. sonnetg

    Is there any shortage on 18650 Lithium battery supply?

    Hello, I have been out of the loop in the EV bike world for a while. Lately, I was planning on building some new 18650 battery packs for my bikes, but it seems there is a huge shortage for quality and brand name cells. And even if there may some available occasionally, the prices shot...
  2. sonnetg

    Electric Bikes sales/deals thread..

    I thought of creating this tread being inspired from "Why haven't e-bikes gotten cheaper?" thread. Link: https://endless-sphere.com/forums/viewtopic.php?f=3&t=93965 It's hard to keep track of new dealers and deals all the times, so I thought if everyone could come and chip in, it would be...
  3. sonnetg

    Any eTrike owners here?

    Hello, I am curious to learn more on Electric trikes, especially the recumbent types. I have never ridden or owned a trike before, but I would like to learn more. It seems the recumbent trikes are more comfortable than riding a bicycle, but hauling such a heavy trike could be an issue...
  4. sonnetg

    Geared Hub Motor - Question on Clutch Mechanism..

    Hello, I have a dumb question, but I was wondering how exactly does a geared Hub motor clutch work? Is the similar to a bicycle Freewheel, or is there a Clutch mechanism similar to what we have in a Manual Transmission? I tried to find dissected images of a geared hub motor clutch, but...
  5. sonnetg

    Quick (bulk) Charge vs CC/CV (balance) charge?

    Hello, Is there any harm done by charging your batteries using cheap chinese chargers for a quick charge? I currently use 36V (10S4P) packs, which does not have any built-in BMS (pack is home made). I normally charge these packs with iCharger 1010 to balance charge, but it takes much longer to...
  6. sonnetg

    Need some help identifying seat-stay holes ..

    Hello ES forum friends, I have been working on a electric bike using a 2005 KHS Dirt Jump (DJ200) cromoly donor frame. I would like to install rear cantilever or vBrakes for simplicity. I noticed there are three holes on the seat stay, but I am baffled as what the purpose of these holes are...
  7. sonnetg

    Stealth ebike clones?

    I was looking around for a used Stealth ebike, but it looks like Alibaba has exact Stealth bomber clones available. I have no idea if this is a scam or not, but the price sure seems tempting....i am contacting the seller now requesting additional details and real more pictures. Anyone seen...
  8. sonnetg

    Brushless Motor phase wires? AC or DC volts?

    Hello, I am curious whether my Brushless Geared motor is AC or DC. I am not very familiar with brushless motors, so I am wondering whether the controller feeds AC or DC voltage to the phase wires? The motor does have 3 phase wires and 5 hall wires. I have a Geared motor, so i can only rotate...
  9. sonnetg

    BMS/LCD to display voltage status?

    Hello, Are there any BMS/LCD combis out there which can display the voltages of the parallel clusters of cells? I currently use an iCharger to monitor my 36 volt pack during charging or a CellLog to monitor the pack during use. The ability to monitor voltages gives me tremendous information...
  10. sonnetg

    Need some advise on Torque and Climbing power

    Hello, I was wondering if you can help me out on my next upgrade. I currently use a 350 watt geared hub motor, which works fine for the most part, except during steep hill climbs. On flats, I can easily achieve 20 MPH with my existing mini geared hub motor, but during hill climbs, my speed...
  11. sonnetg

    Hotwiring generic controllers to power "on" possible?

    Hello, I have recently purchased an extra controller for my ebike as a backup. Unfortunately, this new 12 FET controller is not compatible with my existing 810 LED computer. I only use the LED computer as a key switch to start/stop the motor. I do not use any cruise or PAS functionality...
  12. sonnetg

    Bicycle Frames suitable for eBike conversion?

    Are there any good bicycle frames out there, which are good candidates for eBike conversion? I am in search for a bicycle frame which would have a strong rear dropout, and not require any additional torque arm installation. There are several frame options out there (like Flux Beta/NYX/Vector)...
  13. sonnetg

    10S4P - battery Pack out of balance!?

    Hi, I have an issue with my home built battery pack. I wonder if this is normal. The battery configuration is 10S4P. I took it for a test drive and rode about 20 miles for the first time. I noticed while all the batteries were down to 3.4 volts towards the end of the ride, the 1S battery...
  14. sonnetg

    RC lipo batteries vs 18650 battery safety?

    Hello, I am curious about the safety factor of lithium cells. I am a noob when it comes to lithium batteries. As far as I understand, both RC lipo batteries and 18650 batteries are lithium based, correct? RC Lipo pouch based batteries are lithium polymer and 18650 batteries are lithium...
  15. sonnetg

    Huge price differences in Ebay motors vs Vendors!?

    Hi, I am planning to convert a secondary bike to an ebike/hybrid setup. I was looking at some ebay motors, which seem to be very cheap compared to most ebike vendors. The price on the vendor site seem to be almost twice or thrice than the ones available on Ebay. My first purchase was a...
  16. sonnetg

    Power Switches for 36 volt 25 Amp controller

    Hello, I have a 36 volt pack, and my controller is rater for 25Amp (Max). I would like to add a power switch on the battery. I have deans connectors, and it seems to spark when connecting. I am curious on how you'll have implemented a cutoff or power switch? Do you rely solely on the...
  17. sonnetg

    Balance Charge or Bulk Charge - 24 Volt 6S4P pack

    Hi, I haven't found any topic related to this, but I am planning on building a 6S S Pack for my 24 volt Ebike Motor. I can use either use a Imax B6 6S Balance charger, but it would be easier to charge them in bulk. All my batteries are brand new Samsung 18650 25R, so I dont see any reason...
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