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  1. E

    Really Dumb Question

    the back of the display shows: AP7 750C TFTV3GC85 NB 1.0 V1 30W 201905292018
  2. E

    Really Dumb Question

    Hello All, on my DIY project have all components and donor frame assembled. QS Motor QS273 72v 5kw hub Sabvoton 72150 controller 20S12P 72V Panasonic 32BD 38.5ah with 100A BMS Everything connected except the battery to the controller Do I just connect battery and start programming? Do I need...
  3. E

    Battery match for QS 273 5kw

    Still reviewing choices. Found this info on 18650battery.com Brand Type Amps MaH Cost (S)72V P40ah) cells Cost Cont Amps LG MJ1 10 3500 $5.99 20 12.0 240 $1,437.60 120 LG M26 10 2600 $3.49 20 16.0 320 $1,116.80 160 LG HE2 20 2500 $3.99 20 16.0 320 $1,276.80...
  4. E

    How many amps for BMS?

    so using 50% more than the highest "rated pull" of 150A would be a BMS of 225A or more, am I reading that right?
  5. E

    How many amps for BMS?

    They have come back and suggest now a 100A BMS for a 5kw motor and a 50/150 controller.
  6. E

    How many amps for BMS?

    I have a QS 273 5000W hub kit coming tomorrow. The controller is a sabotvon 72150 reportedly 50A continuous and 150A peak. I'm having a battery built at 72V 40ah with the LG MJ1 cells. (Unless they are crap - please feel free to comment). The builder 'Unit Pack Power' is open to changes but...
  7. E

    Battery match for QS 273 5kw

    on voltaplex it seems: Panasonic Sanyo GA's are 3.6V 10A 17.5A peak and a 2.9C rating LG MJ1's 3.65V 3500 mah 10A 12.78A peak and 2.86C so both pretty similar LG HG2's are 3000 mah 20A 35A peak at a 6.67C rate as are the Sony VTC6's
  8. E

    Battery match for QS 273 5kw

    so the hub kit is on it's way and this is what I know so far... QS Motor says: Continuous Battery Current 70A Peak Battery Current 120A Peak Phase current 280-500A Sabvoton 71250 controller: 150A Battery 350A Phase controller Battery will be 72V and 40ah. Can have it made with Panasonic PF...
  9. E

    Battery match for QS 273 5kw

    Hmmm, so how would I know the difference? What information would be provided that would give me a clue?
  10. E

    Battery match for QS 273 5kw

    so how is it that the supplier can recommend a 26.1 ah pack as a match? that's more like 20S7P not 14 in parallel?
  11. E

    Battery match for QS 273 5kw

    Have a 19" hub kit ordered and being delivered. It is reportedly the QS 273 5kw matched for 72V Sabvoton 72150 controller. The supplier suggests a minimum 26.1ah battery to have a max of 100km/h (occasionally, but not likely often) and no idea of range. There are packs all over ebay and...
  12. E

    combo platter

    ok, QS it is then. cleaning up the donor frame now and will need to construct framing to mount the battery. Cleaning and refurbishing I understand, electronics, not so much... seems like the tab is going to be closer to $3k USD than not. For $5k I can find a used Zero S ready to go, but, it...
  13. E

    combo platter

    are you saying that the 5kw NB Power would do wheelies or if I wanted more power on tap go with the QS?
  14. E

    combo platter

    I completely agree that I've made myself confused and over thinking all this. The 48V 1500W EV Global is all set and matched. Like "some" of us, now that this one is done thinking already about the next. I picked up a 1980 Sachs Prima G3 with a non working 50cc motor. stripped it down to the...
  15. E

    combo platter

    Okay, I'm starting to feel like I understand a little more. next question is, 3000W, 4000W, 5000W, 8000W..... If I'm going to limit myself to 72V and they can all run at 72V what would one actually gain by going up the ladder to 4kw or 6kw etc.. On the QS site I see that they recommend...
  16. E

    combo platter

    maybe better way to ask is with that battery what can it properly run for a motor wattage at 48V?
  17. E

    combo platter

    First my apologies for the question but the more I read the more confused I become: with voltage options from 36 to 48 to 72 ( I know there are more) and wattage from 350W to 5kw (I know there are more the question become how to mix and match. I've seen 3000W and 5000W saying it "can " run at...
  18. E

    Build Options

    Just thinking that $250 for 72v/35AH pretty cheap to test out the configuration. if all runs well enough then adding the li battery later will feel more deserved. Spending close to $1,000 for lithium batteries then feeling disappointed with the bike overall would have wasted another $750 on...
  19. E

    Build Options

    no distraction, I'm open to any input (pun intended) I had thought originally the cheapie was to go for sub $300 was a 72v 3000W bldc motor with a foot to attach to the frame. seller best.sale.for.you on ebay has a pairing of the brushless motor and 50A/80A controller for $289 and free shipping...
  20. E

    Build Options

    no distraction, I'm open to any input (pun intended) I had thought originally the cheapie was to go for sub $300 was a 72v 3000W bldc motor with a foot to attach to the frame. seller best.sale.for.you on ebay has a pairing of the brushless motor and 50A/80A controller for $289 and free shipping...
  21. E

    Build Options

    Funny, I bought it from Mike who was the owner of Fat City mopeds for decades. the 50cc engine is "not working" but Im not sure what you mean about gutting and adding a drive shaft
  22. E

    Build Options

    NB Power 5kw kit 48/60/72v 5000w brushless gearless motor 17" rim 100A Sine Wave Programmable controller twist throttle with 3 speed electric brake levers $564 delivered $885 for 72v/26.1Ah Panasonic cell battery (delivered) 3kw kit 72v/3kw 80A since wave programmable is only $100 less. (Duh)...
  23. E

    Build Options

    Dui, thanks for the information and btw, really like the "ninja" build!!!! so, yes the swing arm is cross braced already made need reinforcing but its there yes the bottom portion of the frame can be removed and replaced to accommodate anything I suppose. since the bottom subframe is bolted on I...
  24. E

    Build Options

    cross reference to my other post: Bought this: Striped it down for now to this: Wheels are 17" so similar choices are limited to QS, NBpower, and UUMotor. NB offers a nice kit at 3000W and 5000W. they can be had at 48v, 60v, and 72v at 300lbs for me and the current frame (probably less, the...
  25. E

    EV Global upgrade

    Guess should say that first part of previous post would be minimum and wondering about options to incrementally push performance up.
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