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  1. 6

    Nanjing far driver controllers

    Anyone here have an issue with their FarDriver cutting out with no errors and giving a single beep when the throttle is twisted? This has happened to me twice. The controller worked fine with the same throttle, this issue popped up when I switched motors to an FW11 from a MY1020. The only other...
  2. 6

    [$129 plus shipping, USA BASED] 48v 19.2ah 920wh 60A Li-Ion Battery 3200 mAh cells, 13s6p

    Have you tried to contact him? I had an issue with mine and he sent me another battery for free... Great seller, no issues here. I've bought half a dozen of them.
  3. 6

    [$129 plus shipping, USA BASED] 48v 19.2ah 920wh 60A Li-Ion Battery 3200 mAh cells, 13s6p

    perhaps that's what the cells are rated for but from my experience, if you run these at more than 35A, the voltage sag will trip the BMS... For the price, you really can't beat it. 33A will still work with your Vevor kit, in fact your controller is the limitation above 30A anyways.
  4. 6

    [$129 plus shipping, USA BASED] 48v 19.2ah 920wh 60A Li-Ion Battery 3200 mAh cells, 13s6p

    They are good batteries, I got two from him. They can do about 33A each so I run 2x in Parallel for a 65A draw on my SX500 and Vevor 1800w.
  5. 6

    [$129 plus shipping, USA BASED] 48v 19.2ah 920wh 60A Li-Ion Battery 3200 mAh cells, 13s6p

    you need to jump on the Facebook Razor Groups like Modified Razors for Adults... I send customers your way all the time. Sellers on there are charging a lot more so you could move more volume.
  6. 6

    [$129 plus shipping, USA BASED] 48v 19.2ah 920wh 60A Li-Ion Battery 3200 mAh cells, 13s6p

    Anyone buy one of these and have good luck running it? I'm getting a measured 54v (on discharge lead) after a full charge to 54.6v. If I measure voltage at the charging port when fully charged I'm only getting as low as 44.7v, or sometimes just 5.6v difference right after charging. Why the...
  7. 6

    CYC PHOTON

    I think you're exaggerating a bit there... The cassette on my Marlin 8 is a SRAM PG-1210 Eagle 11-50T, 12 speed. They are around $50-$100 which isn't a big deal every year or two if you even put that many miles on it. It's considered routine maintenance when you run a motor like the Photon in...
  8. 6

    CYC PHOTON

    Cassettes and chains are pretty cheap the last time I checked… gotta pay to play and it’s a very small cost every few hundred miles which takes most of us a long time to reach.
  9. 6

    CYC PHOTON

    Pretty sure literally none of those will fit in my frame.
  10. 6

    Good analysis-type battery charger for 52V eBike batteries?

    I've heard good things about the Satiator but you're limited to 360 watts or just over 6 Amps if your pack is 52v (58.8v fully charged at 4.2v/cell). You take wattage and divide by voltage to get the max amps it will put out at any set voltage. As for the BMS, I only use JBD on my current...
  11. 6

    Good analysis-type battery charger for 52V eBike batteries?

    Yes, the idea is that the BMS handles the balancing, at least the JBD BMS units I use do and have bluetooth to monitor individual cell voltages. Sometimes smart LiPo chargers can balance quicker (or slower) but it all depends on your charger and the BMS. The Riden Power Supply I linked has a...
  12. 6

    Razor upgrades? Nothing crazy.

    Did you ever finish this project? Did you end up doing a fork upgrade?
  13. 6

    Good analysis-type battery charger for 52V eBike batteries?

    I use a RD6024W 60V 24A DC/DC Step Down Power Supply... It can be used for all sorts of things including charging batteries. Works great assuming you have a BMS that will balance while charging. https://www.amazon.com/gp/product/B0B8MXV2PQ
  14. 6

    CYC PHOTON

    Any issues with your Gen 3 Stealth? I have a Photon on a Marlin 8 and I think it's great but I find myself hitting the thermal limits too often when I want to maintain higher speeds (above 20-25mph). I'm thinking about swapping to a Stealth so I don't have to worry about thermal throttling. The...
  15. 6

    CYC PHOTON

    For me it was about Chainline... My bike can only fit a 42T chainring according to Trek (Marlin 8) and that's with a 3x front which is about 10mm. I used 7mm of spacing to get a near perfect chainline. I think with a 50T, I would have to space it out even further, making the chainline worse with...
  16. 6

    CYC PHOTON

    I don't see how a 50T could be useful at all... I'm running a 42T on my 11-50T 12 speed (27.5") and I'm popping wheelies in 1st-3rd gears and can literally climb anything I can imagine. Top speed is way higher than I need as well and don't even need to be in my 11th or 12th gear to reach it.
  17. 6

    CYC PHOTON

    It’s weird that your voltage reads low by that much and mine is reading high. The text size doesn’t bother me at all and I find in dark mode I can see everything just fine even in direct sunlight. I do also find the large graphic a little wasteful and they could probably fit double the info if...
  18. 6

    CYC PHOTON

    I like the display besides that and the fact you need the app to switch to Race mode which isn’t a big deal since I have my phone mounted and app running anyways. Other than that, it’s easy to read and gives my plenty of info. I do wish the screen space was better optimized. My battery voltage...
  19. 6

    CYC PHOTON

    Anyone running the DS103? I can’t get mine to boot up in Dark Mode regardless of the setting. It always starts up in White mode even with Dark in the settings. I have to change it manually every time I start it which is frustrating.
  20. 6

    CYC PHOTON

    Thanks for the info. Curious how many Ah your battery is and what was your mileage?
  21. 6

    CYC PHOTON

    Did the Photon display just shut off without warning or did you get a low voltage error first? Mine just shut off on me with no error.
  22. 6

    CYC PHOTON

    So mine being at one bar with 49.5v on the display and 48v measured is pretty dead and perhaps I shouldn’t still be running in unrestricted race mode on throttle? lol, that might explain why it shut off but I still thought I’d see an error code for the low voltage if it dropped below 42v with sag.
  23. 6

    CYC PHOTON

    What voltage are you all running your batteries down to when running the Photons? I had mine cut off on me when my battery voltage dropped to 48v (14S/52v nominal battery). Minimum voltage in the Ride Control app is set to 40v, my BMS is supposedly programmed for a 39v cut off. I know the...
  24. 6

    CYC PHOTON

    So far it's performing pretty well. Comes with a decent 4 amp charger that has a cooling fan. Battery and charger have not gotten warm under any conditions so far. I do plan to tear it down and take a look at the build quality and BMS after a few cycles. The only thing I did to it was remove the...
  25. 6

    CYC PHOTON

    Ok, so that's why you ended up running a 500c Display? What vendor did you purchase from? It's a shame because they should really just send you another display. These vendors better step it up with the customer service for CYC's sake. Luckily my vendor has been very responsive and helpful. Sorry...
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