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  1. ridethelightning

    Hyperion Eos repair. anyone had success????

    So my second(and last) Hyperin Eos blew up while charging lifepo4 at 3.4v. This is the second time I'v had a Hyperion blow up with the same symptoms. the 4905 fet blows with a resulting short across its legs. Iv replaced all the fets only to have the same 3905 fet blow immediately or soon...
  2. ridethelightning

    good balance charger recommendations please

    Hi my second Hyperion EOS 1420i finally just blew up! after spending a day trying to fix it, iv decided to pony up and get a new one. Im just looking for some pointers to a good charger to replace it. I'm looking for something to charge packs of up to 10s liion, 42v max i suppose, with output...
  3. ridethelightning

    mega copper battery spotwelder

    so i thought id start my own thread on this here, as i dont want to hijack other, "normal" battery spot welder threads and spam them with crayzness to confuse folks about whats acceptable in a battery spotwelder :mrgreen: :lol: i have a riba welder that i bought some time back and never used...
  4. ridethelightning

    help sabvoton 72200 meltdown!

    I have got a sabvoton 72200 +qs 205 50h v3 to try out on a friends bike(first sabvoton for me), i have programmed it and finally got a good grasp of the software operations. i finally let him take it home, and on testing, he said the throttle seemed unresponsive so he tried to get it to go by...
  5. ridethelightning

    please help me find acharger for 22s, charging to 4.1v

    hello all. im looking for a charger to charge a liion pack to between 4.0v and 4.1v can someone recommend a charger that will charge @ ~10A to do this? something with adjustabe HVC perhaps? cheers.
  6. ridethelightning

    Resistance Soldering Bus Strips to 18650 Cells

    [moderator edit] this thread has been split-off from another thread (seen in titles below) This thread is about the general subject of resistance soldering bus-strips onto cells, regardless of whether the busses are copper, nickel, or nickel-plated copper. Resistance soldering refers to passing...
  7. ridethelightning

    94 Toyota hilux dual cab, chevvy spark motor, tesla modules

    so i have taken the plunge, chosen a '94 model dual cab hilux 2.8L 2wd diesel for my donor vehicle. this is not just my first 4 wheel ev , but also my first car, period. I would like to thank especially kiwiev, for making such an awesome comprehensive build thread, and giving me the...
  8. ridethelightning

    raising 18650 back from the dead, samsung 25r

    Hi guys. iv got a relatively new 20s10p 25r pack that was neglected by a friend and given to me, and has probably drained flat very slowly from adaptto controller being left connected. total pack charge is like 2.0v has anyone had any first hand experience with this particular cell or...
  9. ridethelightning

    repairing broken magnets/ hub motor magnet re-gluing

    I have had my X5404 magnets completely let go of the iron rotor ring. topic started here- https://endless-sphere.com/forums/viewtopic.php?f=2&t=61183&start=2375#p1119739 and pretty much winds up with this before i decided to move it to its own thread-...
  10. ridethelightning

    where to buy npc, update-no way unless its 50kg....

    Has anyone got any ideas of where to buy nickle plated COPPER strip? looking for the 0.2-0.15mm x~8mm stuff. Iv tried emailing a couple of aliexpress vendors but so far no reply. any advice much appreciated. Cheers RTL
  11. ridethelightning

    2 speed freewheel for multispeed chain

    can anyone point me in the direction of a 2 or 3 speed freewheel that can be used with a normal chain and derailer? i have tried using a single speed freewheel on a full suspension frame, and have had a lot of trouble finding the chain tentioning solution.. anyone cracked this one?
  12. ridethelightning

    first build thread...gt dhi race, cro+max-e +25R

    Here is a start to a build i am doing for a mate, that i thought i might share with all you fellow electric speed deamons out there :D all components have already arrived, so this should progress fairly quickly. components list: cro v2 rear 18" ally moto rim, jrh moped spokes. hydenau...
  13. ridethelightning

    headways not balencing with hyperion

    iv tried for the first time to balence my 16s2p 20Ah headway pack(6 month old maybe 70 cycles)with hyperion 1420. balence plugs(2) for 14s and(1) for2s it started charging 14s ok, but then when it had started balencing for a time, its alarm went off. charger said "bad balence connection" i...
  14. ridethelightning

    great range and price at Treatland TV moped online store

    hi guys i discovered a great source of moped tyres/rims and parts- www.Treatland.TV.com in S.F Calif. prices are good. customer service is awesome too. just thought id spread it out a bit :D
  15. ridethelightning

    WWW.BATTERYBUILDING.COM

    anybody bought from www.batterybuilding.com :?: they are offering samsung ICR18650 20R cells for $2.60 ,(charge extra for spotweld) too good to be true??
  16. ridethelightning

    throttle or controller problem???

    hi there everyone im having some issues with my throttle speed switch when i got everything running to start with, the bike ran as it should-the low, med and high throttle settings all giving their desired results. after about a week and a few rides things got weird- cuttoff at full...
  17. ridethelightning

    headway packs 48v

    hi there everyone can anybody reccomend best configuration for 20ah48v,16s headway pack, i have 32 10ah cells,2 80A16sbms im using cellman 18fet65a controller/bms and hs4065 i started out with 10 ah but i think (and cellman also suggested) its not capable of delivering enough amps for the...
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