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  1. C

    Sabvoton Controller 72150 V 2 with tft screen /setting up dc bat current/phase amps

    did it work for you?
  2. C

    Calculate approximate max distance

    Thanks for your input. I will get a watt meter and use it. I think the LCD screen that came with the controller is telling a load of bullocks when displaying watts. Eg. Set the controller to 10amp max and the display will say I'm using 360w. But I have a 48v battery. Regards Chris
  3. C

    Calculate approximate max distance

    Can someone help me with the mathematics to calculate the approximate max range at the 250w setting.. It's a little past my comprehension at the moment. Also, am I assuming correctly that when calculating range that one only goes to 60% SOC. To get maximum life of the battery. Thanks
  4. C

    Calculate approximate max distance

    I was going 48km/h the whole time, except for about 6 stop and starts. I weigh about 85kg with clothes and bag on. I'll do a longer run and see if the results change
  5. C

    Calculate approximate max distance

    So today's run had a final voltage of 52.5v Power was set to a Max of 250watts or a top speed of 25km/h
  6. C

    Calculate approximate max distance

    Today I will do the same run, except I'll do it on reduced power to see the difference in power consumption
  7. C

    Calculate approximate max distance

    Haha, yes. Except for when I had to stop 4 times. Then I was on full brakes.
  8. C

    Calculate approximate max distance

    Is it possible to calculate my approximate max distance on a single charge if given the following. Battery 48v nominal 54.6v full charge. Travel 9.5km and battery dropped to 49.9v So a total of a 4.7v drop for the 9.5km. Battery is quoted as a 20ah battery. But not confirmed by me. Thanks
  9. C

    Security switch

    Thanks guys
  10. C

    SW900 LCD

    What would the Kv for the Chinese 4 turn hubs? I should be able to calculate my Max speed using Kv and wheel diameter
  11. C

    SW900 LCD

    Thanks for your reply. The no load speed, that's with the wheel off the ground it says it's doing about 75km/h. The thing with the 48km/h is once I'm at that speed the motor will use less current. And if I pedal assist it will use even more less current to maintain that 48. I have a 28inch rim...
  12. C

    Security switch

    I'm new to ebikes, so don't know a lot. I noticed that then the 3 hub motor wires are shorted there is a high level of resistance when you turn the hub by hand. I was wondering would it be ok to implement a switch that disconnected the controller from the hub and shorted out the hub, this would...
  13. C

    SW900 LCD

    I need a little help programming the controller. I have P08 speed limit set to 100km/h, but the bike is still limiting to 48km/h. PAS is at level 5, which is maximum. There is a P17 parameter that I can't find documentation for. When I lower the setting on P17 the no load speed of the bike...
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