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I managed to buy the 72V display from the vendor. The page definitely states that it is for 72V battery, but later tells you how to use it with a 48V, 36V and 24V one. Confusing, eh...

According to this wiring diagram, the display works on 36V: https://endless-sphere.com/forums/viewtopic.php?f=2&t=57522

These two videos show the display after boot up with the battery just over and just under 38V.

Yep, the charger is good.

Could you elaborate, please? Now, that the battery is below 38V, everything looks perfect. I ended the day with the battery @35.1V. I can travel at about 38km/h with around 250 watts (plus me pedaling), that is hugely impressive. The PAS is awesome. The whole thing is a little bit better than...

Update: battery is @37.2V and everything looks perfect. I have never seen the display so bright. Only one small detail bothers me: the display shows the battery full, and changing the P5 value hasn't corrected it. Managed to install a PAS. I will give it a good go today.

I could only find an electric stove for the discharge and it is pretty slow. But it means I could check what happens at 38.2V. The display is barely visible, and when I am trying to change settings it cuts out. Now that is really strange. By morning I guess it will be discharged to about 36V...

It is quite dim, but still it shows my battery full. I haven't seen it showing my battery anything but full, apart from the first few moments after a boot.

The LCD shows my battery full at all times (41.3-38.8V). Why do you recommend 36V?

Checked them now, the colour coding is okay.

I did try that today (C11=1) nothing changed. (maybe the wattage wasn't shown, but it was very hard to see the LCD). I started today with the battery @39.4V and came home with 38.8V. The frequency of the cutouts seems to increase, but it is only a feeling, very hard to prove.

This is what happens when I turn it on, and the battery is around 39.2V: This should show a cutout, unfortunately, the display is too dim to see anything: edit: actually I have an idea. When I tried to make the PAS work I noticed that the signal voltage was quite low (around 4.1V) even with a...

A friend of mine just moved to Brighton, so I might take you up on the offer.

No, no, no. It was 39.4 after I came home. I used it for about an hour total. After charging it was 41.3V. Yes, measured with a good multimeter. Controller is "S12S torque simulation controller; Model:S12S; Input voltage: DC36/48V; Min.Voltage: DC30/40+-0.5V; Max Current30+-1A; Speed...

Hi Juicy, I want to use it with C12=7 in the long run. The main thing is that changing it to 0 did not change a thing. So probably it is not LV protection. My end voltage today was 39.4V. Display does not show that it is a 36V battery, but it shows the battery full all the time, that's why I...

No joy. The same problem persists. Looking at the pretty dim display, it seems it should not be low voltage protection (the battery meter shows a full battery). What other protection can completely turn off the display? I would really appreciate some help here. Settings: P1: 80; P2: 6; P3: 1...

Even if you have a speed sensor installed you should know how many pulses your motor generates. If P2 is set to 0 then your speed is absolutely off (it reaches 0 quite fast) when the motor is not working, but it probably uses the speed sensor's data when it is working (because it shows good...

I installed the speed sensor, the lack of it might have caused some part of the problem.

Thanks for the replies! I charged the battery, and now everything seems okay. I have to give it a good go tomorrow. It takes a while to discharge it back to 39V. I restored the default settings for a start. Also, I had to realise that setting the assistance to 0 also turns off the throttle, it...

I have a 36V battery, and now I am charging it. I have a feeling that the controller and or the display thinks that I have a 48V battery. The display is incredibly dim, and it shuts down when I try the throttle while the battery is at 39.1V. Isn't there supposed to be a switch or something for...