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Have you tried C5=03, which the manual says is 50% of the current? I haven't installed my S12S controller yet, which is 20A too.

In my experience, and I had three wattmeters, none of them read the same voltage when I strung them in series. They did read the same AH within +/- .1 AH.

That would be the P2 setting, which would be 0 for what you describe, D8veh, but mine is set to 1. If I walk the bike around when it's working, I get 2 mph.

PSWpower sells KT units. By the way, speedometer starting to go flakey when coasting with the PSW sine wave controller. Sometimes flips to zero. Comes back on power reset. Perhaps I'll mount a flasher LED on the white wire and see if it's wheel or controller.

I already have the LCD's on the bikes. You can hear the Q100 motors singing from six feet behind. Other motor/controller combos have not been so loud.

These are made by Stanley. There was a little nut/bolt in the slot that sets the wire gauge, but I removed it and do it by feel. These date back from the 70's.

Oh heck, I just ordered two sine wave 20A controllers from the pswpower website. $24 each, but $37 shipping. If there is a next time, I'll use their aliexpress site. Will be replacing two square wave six-FET 17A Kt-controllers. I finally got a working sine wave controller and really kike how...

On the TDS-Z2, did you get the 36V or the 48V kit?

I've put Q100's in our 20" folders. I can handle a variety of batteries, but I prefer small 36V4AH (20 cells) and 36V8AH packs (30 cells)t hat fit in bags off the rear seat. If I had to do another one, I would also try the Xiongda motor. The website says they have one with the proper rpm for...

Failed. I found 25 unused pads, split between 0V and 5V levels. as unable to produce a speed reading connecting a working speed sensor to any of them. Oh well, my pack of inexpensive bike computers arrived in the mail today. They will always work,

While I will everntually be using the motor that came with this kit, I already got the proper signal wire already coming out of my Q100H motor. Just gotta poke it around and see if the LCD responds. Will put a resistor on it.

Could be SP. My eyes are too old to see what's on the controller unless I look at a picture. I'll hook up a speed sensor output and probe around. The seller sells both DD and geared. Might be the same controller. I suppose many DD guys are on throttle 24/7. Gotta be boring.

Post a pic? Sure. The first is my parts box, working controllers but unused because they were either too low in power or too big in size. Not a newbie. The second is the controller in question. I've tested it with every connector as labelled. The controller's Hall plug only has the 5 Hall...

That's true on KT controllers. Some have the white wire in the Hall connector and also a separate connector. The controller for the SW900, which has neither of the above. I've seen some references on youtube where viewers ask how to connect the speed pickup, so I thinking it's part of the LCD...

You UK guys might know more about this display. I have used KT controllers and know how to wire in a speed sensor. The controller that came with the SW900 doesn't have a separate connector for speedometer. It doesn't show the speed when coasting. Might be a setup issue, but I think it needs a...

Is there a regular bike tool that fits the fasteners on the BBS? I thought there might be some kind of wrench, but after failing to secure mine with a channel lock pliers, I bought a wrench that looks like this from my vendor.

Depends on what you use for batteries and where you put them. I went batteries in a bag for our 20" folders. Smaller ones fit under the seat. For a long ride, I put two or more in a bag on the rear rack, Connectors make that happen. In time, I rewired my other bikes that had soldered up...

Plug two XT60's together. Then if you clamp the opposite end of the terminal you plan to solder in a vise or vise-grips or your helping hand tool, there will be some heat transfer that will help keep you from melting the plastic. I'll fill the inside of the terminal with solder. Then lay the...

When you have that many batteries, I would figure that a soldering iron is a requirement. I like XT60's with silicone wire for my lower power bikes. They should be easy to solder with only a 100W iron. I use rosin core tin-lead solder. Some shops only stock a "safer" higher temperature silver...

Ha. The walking wheelie. It happens to everyone eventually, if the bike has a throttle. I was going to program my KT controller to allow throttle in PAS 0 until I remembered how I almost threw my bike on top of a car doing the above.