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Before buying a battery, you need to look at your controller and see what current is written on it. You can't just buy any 24v battery. It needs to be able to supply at least the amount of the maximum current allowed by the controller. Ideally, you should aim for about 5 amps of headroom, so if...

Use Google to search this forum for a manual. we get a request every week. I've personally uploaded one three times and I've seen at least another three. It sounds like your bike is faulty. Take it back to the retailer. At the same time demand a copy of the manual and remind them that it's...

A 36v battery is 42v to 31v if it's healthy.

A 24v lithium battery should be 29.4v hot off the charger. What voltage is written on the charger?

My carbon Giant TCX Advanced Pro feels exactly like a normal bike more than yours. It cost a bit less and only weighs 8kg, and it's derestricted. Is your derestricted?

I'm in Telford and I used to work in the shop. If you get stuck, let me know. I don't do any repairs now, but I can tell you what to do and diagnose any problems.

https://ebikes.ca/thun-120k.html These guys used to sell them, but they now have a different one, which they say is a direct replacement. Send them an email to confirm. You have normally have to pay VAT on their stuff.

A continuity test won't tell you much. pull the hot melt glue off one side of the connector so that you can get at the metal terminals. Switch the bike on completely ready to go, then stuff your probes up the back of the connector until they touch the metal. Between red and black, you should...

There's no way to "chip" a Cyclotricity. possibly, they swapped out the Cyclotricity special software controller and or LCD for a standard one that doesn't have the restricted setting. The Cyclotricity has a setting to switch between the 250w mode and 1000w mode. It limits the current to 15A...

Those cells won't work on an ebike. If the nominal capacity is 1500mAh, they're completely shagged if you get anything less than 1200mAh. Only use new cells in an ebike battery, otherwise you'll be building your battery twice.

What bike is it?

What does it say in the manual about battery sleep mode?

Hopefully, OP will keep us informed about: How easy it is to get his bike booked in How much they charge to do the check What the diagnosis is How much it cost to fix How long it took to fix. This will help everyone understand how well this system works. I hope it all works out well, but I've...

Hailong makes theplastic case with the switch and connector already installed. The battery and all the wiring can be done by anybody from the latest high-tech factory to a bloke in his shed. Two batteries that look the same on the outside can be completely different on the inside. I'm not sure...

The easiest solution would probably be a bafang BBS01 mid-motor kit with a rack battery. You'll probably have to adjust the chain-guard bracket a bit to line up with the new chainwheel, or maybe even trim some of it to fit. Those old bikes have unusual sized wheels. a front hub-motor could...

Mine doesn't work like that. If there's no pedalling, it works as a speed controller like on any other bike; however, as soon as you pedal, it becomes a full power switch instead.

If you need help with it, it might be a good idea to explain what the problem is. If it's the messed up writing from post #15, I can't help, but someone else probably can.

This is what I keep warning people about. Stick with standard Chinese electrics or Bosch or Shimano. Anything else might lead to a situation like this. Unfortunately there are hundreds of new ebike systems springing up and fading out all the time. Sooner or later whatever you have will need to...

You need a low pass filter on the arduino output for the torque sensor! You cannot connect a pwm signal to a controller's input. Forget about your code. Get the basics right first. http://ww1.microchip.com/downloads/en/Appnotes/90003250A.pdf

Yes, just to clarify, the throttle will always be stronger on all levels 1 to 4, since none of them give full power, but there should be no difference on level 5, which does give full power.