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I can only wish you good luck then.

BMSBattery is a known and trusted supplier. That's where I would buy it from. Hopefully, your source will be OK. We never know until somebody tests these suppliers. We need pioneers, who aren't frightened to risk their money to expand the knowledge base.

The battery is flat and not charging. The green light doesn't mean much except that the charger is plugged into the wall. You now need to measure the voltage on the charger output connector and the battery's charger socket. If the battery has a 6mm jack socket, you have to be very careful not to...

Don't waste time, just get the measurements. Only measurements will tell you what's wrong.

So this is what happens when you get caught riding an illegal bike. They don't lock you up and throw the key away. They tell you to ride the bike home and not use it again. They tell you that if you're caught again, they will take the bike and crush it - still no mention of jail. I've heard...

Your statements are too nebulous. You need to measure the exact voltages of the battery and the charger and tell us what they are. Measure the battery in the charge socket and at the terminals underneath to get two values.

Crikey, you can tell that just from their hand. Was it the fingerprints or the scars? I better not show my face then.

Clicking spokes need attention, otherwise they break, so check that all your spokes are tight. The other common cause is the disc brake. To test that, remove the caliper and tie it out the way, while you go for a short ride. Obviously, you need to be careful while you ride the bike with only one...

Can't you use a different hub, like Shimano, Sturmey Archer or Nuvinci? There are loads of new and used ones on Ebay. Some are already laced to a wheel and come with the shifter, so you can upgrade to any number of speeds you want.

Check the charge fuse in the battery. If you have a voltmeter, remove the battery and tell us the voltage you have across the two battery terminals (usually, the outer two) and tell us what it is. It can tell us a lot about the cause of your problem..

If you're going for registration, you might as well buy a petrol moped, which will be easier, cheaper, more reliable, more comfortable, have better brakes and tyres and would be faster...

Why didn't you ask? https://bmsbattery.com/controller/698-16567-sine-wave-controller-for-09-case-controller.html#/42-voltage-36v/137-color-black

You can make any electric bike self-charging. Just put a small direct drive motor in a wheel that doesn't already have one. Connect the three phase wires to a three phase rectifier and add a regulator, or you can use a spare controller that has regen. As soon as you start to move, the DD motor...

You need the LCD and the wheel speed sensor. Both controllers should work with your PAS and throttle. Their ones have the right connectors and guarantee compatibility. I always think that they're so cheap when you buy them with the controller that they're always worth buying in case of any...

P3 swaps the controller power algorithm for only the pedal assist from speed control to power control. It has no affect on the throttle. P3=0 is speed control and p3 =1 is power control. T has nothing to do with torque, excet that you get max torque in all levels under speed control and stepped...

It's best to keep the front derailleur if you change to a single chainwheel because it stops the chain jumping off, otherwise get a chain-guide for that purpose.

Only a meter can tell you where the problem is.

Why doesn't anyone tell us the actual price they paid for their re-cell and what they got for the money (which cells and how much capacity)so that we would be able to advise others on the options when they need a new battery?

You need to describe the problem in simple words because what you're saying doesn't make any sense. In post #1, you said that it's working with PAS, but inn post #4 you say that the motor doesn't turn. Try starting again from the beginning as if you're telling your mum what's wrong.

They're OK for a bit of short term fun, but you oon get fed up of it. If you need dicent power for general touring, utility riding around, a 500W Bafang BPM hub-motor at 48v with a 25 amp sine-wave controller takes some beating. I just built one for my . nephew, who has mobility issues. He took...