Search results

Date Relevance Most replies

  1. M

    Cycle life tests of High Energy density cylindrical cells

    Very useful thread, thanks for your work
  2. M

    Fiido L3 controller upgrade

    The display shows up to 2000w under load so there should be enough power to reach 50km/h+, I 'm guessing that either the motor is not very good and does not have much torque at that speed or there is a lot of voltage sag , which I don't know if I can do anything about. For example I read...
  3. M

    Fiido L3 controller upgrade

    I have changed controller and motor, my new top speed it 45km/h at full battery which is a bit disappointing because before I could get 37 km/h at full battery. However the motor spins up to 54 km/h without any load which is a big difference. The old motor would spin up to 40km/h with no load so...
  4. M

    s900 shows over 2000watts on 48v 20a ebike?

    I just upgraded my e-bike for the first time with a new motor and a 30a controller and s900 display (which apparently has a 20a limit). The bike feels smooth and fast to ride, however, I have a weird issue where when I am going uphill the wattage on the display keeps increasing at a steady pace...
  5. M

    Fiido L3 controller upgrade

    Small update, I 've ordered this kit https://www.aliexpress.com/item/1005005098242961.html?spm=a2g0o.order_list.order_list_main.4.60551802i7h2k6 It looks like it has the same lights as my bike and the controller is 30a with an s900 display, so hopefully I will get a nice boost in acceleration...
  6. M

    Fiido L3 controller upgrade

    What do you think of this controller...
  7. M

    Fiido L3 controller upgrade

    I see, so for a higher top speed I can either change the battery, or get a different motor capable of a higher max rpm at 48 volts. Looks like if I only change the controller to more amps it will be a disappointing upgrade, since the battery will be discharging faster and I ‘ll be riding with a...
  8. M

    Fiido L3 controller upgrade

    Yes that's the bike, it goes up to 40 km/h at full battery if the wheel spins in the air but when it drops to 4/5 bars it spins up to 36km/h and even lower at 3/5 bars etc so this seems to me like a feature of the controller and not caused just by the voltage dropping but I could be wrong. It...
  9. M

    Fiido L3 controller upgrade

    Ok so if I were to get a 22A controller, or even 25A cause I don't see many options at 20A will that be just limited at 20A by the bms or is it going to fry a safety on the bms or something like that and stop working? I don't really know how a bms works, other than it balances the cells
  10. M

    Fiido L3 controller upgrade

    This is what their support told me about the cells "Dear Customer The cells are all 18650-2900mAh of Dongmag, 48V23.2Ah is 13 series and 8 parallels, 48V14.5Ah is 13 series and 5 parallels, the battery pack has a continuous discharge current of 15A, and the maximum discharge current is 20A. I...
  11. M

    Fiido L3 controller upgrade

    Hi guys, sorry if this is the wrong category, I am new to the forums. I need some help picking a new controller to upgrade my Fiido l3 since I am a beginner in the subject. I have been looking at various controllers on eBay rated at 48volts 20A or 22A to replace the 13A controller the bike has...
Back
Top