Search found 395 matches

by Hwy89
Oct 20 2019 4:27pm
Forum: E-Bike Technical
Topic: Confusing battery info
Replies: 7
Views: 231

Re: Confusing battery info

54.6 volts is the maximum charge (4.2v X 13 series) the nominal voltage is right about 48 volts.
by Hwy89
Oct 19 2019 6:40pm
Forum: General Discussion
Topic: Non EV LED Lighting PSU Question
Replies: 25
Views: 307

Re: Non EV LED Lighting PSU Question

Four 12 V automotive LED lights in series. Don't worry about the AC they will be self rectifying.
by Hwy89
Oct 19 2019 6:33pm
Forum: General Discussion
Topic: Revive LiIon pack?
Replies: 9
Views: 164

Re: Revive LiIon pack?

Are you measuring voltage directly on the cell ends or at the bms end of the sense wires? I'm at a loss to see how a 25 p block could completely discharge without heating something up and leaving some kind of trace. It would have to have been through one or more of the cells and at a very slow contr...
by Hwy89
Oct 02 2019 8:31pm
Forum: Battery Technology
Topic: Charging several 10S4P 36v battery packs with solar?
Replies: 14
Views: 291

Re: Charging several 10S4P 36v battery packs with solar?

The Victron Energy smart solar charge controllers have adjustable max and min voltage so that they can be used to charge lithium packs. I have two retired bike batteries reconfigured into 6 s 32 p and I have the controller set to charge to 24V. I have a 30 A 24 to 12 volt step down converter and a 2...
by Hwy89
Aug 30 2019 11:37pm
Forum: E-Bike Technical
Topic: charging 36v from 12v
Replies: 27
Views: 893

Re: charging 36v from 12v

The safety factor of using a charger that monitors individual series voltages and has an automatic shut down.
by Hwy89
Aug 30 2019 10:45pm
Forum: E-Bike Technical
Topic: charging 36v from 12v
Replies: 27
Views: 893

Re: charging 36v from 12v

Bump the battery up to 12s which will still work on most 36 volt controllers. Then split the 12s packs into 6s halves which can be charged in parallel on a common RC balance charger. I've been doing it that way for years. I also bring along a Meanwell power supply for those times when I have access ...
by Hwy89
Aug 28 2019 9:52pm
Forum: E-Bike Technical
Topic: charging 36v from 12v
Replies: 27
Views: 893

Re: charging 36v from 12v

Wouldn't it be simpler to just run an RC balance charger straight off the 12VDC
?
by Hwy89
Aug 28 2019 9:45pm
Forum: E-Bike Technical
Topic: charging 36v from 12v
Replies: 27
Views: 893

Re: charging 36v from 12v

Wouldn't it be simpler to just run an RC balance charger straight off the 12VDC
?
by Hwy89
Jul 29 2019 9:50pm
Forum: Battery Technology
Topic: whick lock (empty) case for diy lion do you suggest
Replies: 2
Views: 172

Re: whick lock (empty) case for diy lion do you suggest

Your soldering is frightening. Please get that thing out of the house and into a secure fireproof location.
by Hwy89
Jul 10 2019 12:36am
Forum: E-Bike General Discussion
Topic: Anyone recognize this bike?
Replies: 4
Views: 403

Re: Anyone recognize this bike?

I think you are right Amber. Any opinion on the quality of the one you worked on? I will be going to look at the bike next Tuesday if it is still for sale. It isn't working and the seller doesn't seem to be mechanically inclined. As long as the motor isn't fried I'm prepared to replace the controlle...
by Hwy89
Jul 08 2019 4:50pm
Forum: Motor Technology
Topic: Kt controller and LCD8H help!
Replies: 3
Views: 161

Re: Kt controller and LCD8H help!

If he unplugged the motor connector to remove the wheel check to make sure the connector is pushed together tight and the little arrows are lined up.
by Hwy89
Jul 08 2019 3:14pm
Forum: E-Bike General Discussion
Topic: Anyone recognize this bike?
Replies: 4
Views: 403

Anyone recognize this bike?

This bike is on Seattle craigslist in a non working condition. The seller does not know the brand or if it was converted or originally an ebike. I will probably go look at it in the next week. Has anyone seen one? If it is a cheap China bike I could avoid a couple hundred miles of driving to go look...
by Hwy89
Jun 25 2019 1:15pm
Forum: Battery Technology
Topic: How do I recycle leaf batteries?
Replies: 11
Views: 470

Re: How do I recycle leaf batteries?

I took about 10 pounds of discharged 18650s in to Home Depot. Their battery recycle box was too small so I asked at the returns desk. The employee said no problem and took the whole batch of dead cells away in a shopping cart.
by Hwy89
Jun 25 2019 1:05pm
Forum: E-Bike General Discussion
Topic: How to troubleshoot a pedal sensor?
Replies: 7
Views: 285

Re: How to troubleshoot a pedal sensor?

Thank you E-HP, you were spot on.
A few wire swaps and many C1 programming changes and it works.
by Hwy89
Jun 24 2019 3:00am
Forum: E-Bike General Discussion
Topic: Costco Northrock XC00 Fat Bike
Replies: 13
Views: 1559

Re: Costco Northrock XC00 Fat Bike

"A downside is the 32H rims, easy enough to skip a few holes on the hub motor. Mid drive would be perfect for this bike."
Please explain this statement. How can 36 be evenly divided by 32. I would prefer a round wheel.
by Hwy89
Jun 23 2019 3:16pm
Forum: E-Bike General Discussion
Topic: How to troubleshoot a pedal sensor?
Replies: 7
Views: 285

Re: How to troubleshoot a pedal sensor?

I bought a generic pas sensor from Amazon.com. It came without instructions. The connector is correct but the wire colors are all different than the controller plug. Will I do any damage if I randomly switch wires to determine the right combination?
by Hwy89
Jun 21 2019 9:20pm
Forum: E-Bike General Discussion
Topic: How to troubleshoot a pedal sensor?
Replies: 7
Views: 285

How to troubleshoot a pedal sensor?

I decided to try pedal assist on a new bike I just put together. It has a q100 rear motor, a S12SH sine wave controller and a LCD 5 display. Everything works just fine with the throttle but I can't get it to work with the pedal assist sensor that I just bought. The sensor mounted easily on the non d...
by Hwy89
May 29 2019 10:04am
Forum: E-Bike Technical
Topic: Controller overheating issue
Replies: 28
Views: 1329

Re: Controller overheating issue

I don't think you have an overheating issue. What you are describing is very similar to what I experience on one of my bikes that I have determined to be an over voltage cut off from the controller above ~56 volts. The clue is that it happens at low power levels but not at high. At high power you ha...
by Hwy89
Apr 23 2019 12:04am
Forum: E-Bike General Discussion
Topic: Casual Commuter Recommendations
Replies: 26
Views: 1207

Re: Casual Commuter Recommendations

The jury is still out on those batteries. I have installed three of them since the first of the year. I was quite apprehensive about the first one but the customer insisted and bought the battery himself. The fit and finish was good and the battery performed perfectly. So well that the customer imme...
by Hwy89
Feb 25 2019 2:13am
Forum: E-Bike Build Threads / Photos & Video
Topic: Long tail cargo bike build
Replies: 46
Views: 3491

Re: Long tail cargo bike build

If you put springer forks on the front end of a cargo bike you will need to figure out a way to make them adjustable. I have a Surly big Dummy and the first thing I learned when fully loading it was that the front needs to be a little heavier than the rear otherwise the handling gets a bit screwy. I...
by Hwy89
Feb 25 2019 1:57am
Forum: Items Wanted
Topic: Stolen Ebike
Replies: 6
Views: 900

Re: Stolen Ebike

Sorry I hijacked your thread, this post will put it back on top.
by Hwy89
Feb 25 2019 1:50am
Forum: E-Bike General Discussion
Topic: Surly Disc Trucker Build
Replies: 30
Views: 1992

Re: Surly Disc Trucker Build

Marks said "geared motors make noise" WRONG! Try one of the Q motors from BMSBattery.com along with their torque simulator sine wave controller. Absolutely silent, all you hear is the tires on the road.
by Hwy89
Feb 23 2019 9:02pm
Forum: E-Bike General Discussion
Topic: Lost a new ebike off bike rack last Saturday Feb 16
Replies: 9
Views: 578

Re: Lost a new ebike off bike rack last Saturday Feb 16

I did make a lost post on the Yuma Craigslist offering a $100.00 dollar reward. Since it was a $65.00 used bike, a $70.00 motor and a $30.00 controller any more than that would be silly. Fortunately the battery was inside the van and not on the bike.
by Hwy89
Feb 23 2019 2:56am
Forum: Items Wanted
Topic: Stolen Ebike
Replies: 6
Views: 900

Re: Stolen Ebike

Last Saturday Feb 16 I was hauling two ebikes on the back of my van. I traveled California SR 24 from Imperial Dam to US hwy 8 in Winterhaven Ca.then crossed the bridge into Yuma AZ for gas. While filling the van with gas I noticed that one of the bikes was gone. The missing bike is a Motive Smoothi...
by Hwy89
Feb 23 2019 2:52am
Forum: E-Bike General Discussion
Topic: Lost a new ebike off bike rack last Saturday Feb 16
Replies: 9
Views: 578

Lost a new ebike off bike rack last Saturday Feb 16

Last Saturday Feb 16 I was hauling two ebikes on the back of my van. I traveled California SR 24 from Imperial Dam to US hwy 8 in Winterhaven Ca.then crossed the bridge into Yuma AZ for gas. While filling the van with gas I noticed that one of the bikes was gone. The missing bike is a Motive Smoothi...