Search found 94 matches

by Stu Summer
Sep 01 2019 9:34pm
Forum: E-Bike General Discussion
Topic: Issues with front hub motor on aluminum shocks.
Replies: 22
Views: 822

Re: Issues with front hub motor on aluminum shocks.

I had a cheap, cast aluminum suspension fork break with a rear hub motor. Wasn't even going fast. Just not strong.
by Stu Summer
Sep 01 2019 4:19pm
Forum: E-Bike General Discussion
Topic: Hoverboard Batteries vs. Alternatives
Replies: 12
Views: 387

Re: Hoverboard Batteries vs. Alternatives

wturber, thanks for sharing your setup- very sweet and solid looking! I will have to get more sophisticated if I try to string 8 packs together. But your comment encourages me to parallel by two double packs together, making 4 units together. I have been running one double pack and then running the ...
by Stu Summer
Sep 01 2019 4:15pm
Forum: E-Bike General Discussion
Topic: Hoverboard Batteries vs. Alternatives
Replies: 12
Views: 387

Re: Hoverboard Batteries vs. Alternatives

The one shown in Stu's ebay link looks improved too, UL sticker. Balance circuit. The P- and C- pads are together. My older models (1) have no balance circuits and (2) charge thru the output. The latter is bad practice, if your BMS only has its overvoltage protection on the charge circuit. Apparent...
by Stu Summer
Aug 31 2019 9:58am
Forum: E-Bike General Discussion
Topic: Hoverboard Batteries vs. Alternatives
Replies: 12
Views: 387

Hoverboard Batteries vs. Alternatives

I use these batteries on several ebikes I loan to friends: https://www.ebay.com/itm/192753375198. I have often gotten them around $40. I always have bought Samsung cells but just bought two of the LG. I parallel two together for 8.8Ah. Obviously not for long treks. I am wondering why I don't read ab...
by Stu Summer
Aug 15 2019 8:27pm
Forum: E-Bike General Discussion
Topic: Hub motor not centered
Replies: 12
Views: 379

Re: Hub motor not centered

I take it it came this way from the online vendor. Take it to a local bike shop, they can dish it which means to center it. This can happen on a front wheel hubmotor too. It did to me and I took it to the LBS to fix/dish. It is now centered.
by Stu Summer
Aug 13 2019 9:51pm
Forum: E-Bike Non-hub Motor Drives
Topic: BBSHD dies after 10 seconds, again and again.
Replies: 8
Views: 341

Re: BBSHD dies after 10 seconds, again and again.

I think there might have been water in the speed sensor. (My son mentioned riding through a creek.) That may have thrown the whole system a curve.
by Stu Summer
Aug 11 2019 8:45pm
Forum: E-Bike Non-hub Motor Drives
Topic: BBSHD dies after 10 seconds, again and again.
Replies: 8
Views: 341

Re: BBSHD dies after 10 seconds, again and again.

Theres a chance it may be the battery. Is there anyone else nearby that will loan you their battery for a few minutes to test? It was not the battery. Did the same with different batteries. But after stopping (and having to be restarted) maybe 20 times, only showing the motor icon, it finally showe...
by Stu Summer
Aug 10 2019 2:24pm
Forum: E-Bike Non-hub Motor Drives
Topic: BBSHD dies after 10 seconds, again and again.
Replies: 8
Views: 341

BBSHD dies after 10 seconds, again and again.

My BBSHD runs for about 10 seconds and then kicks off, whether in PAS or throttle. The display stays lit and shows a picture of a motor. Turning on and off starts the things again. What does it mean? Thanks!
by Stu Summer
Aug 02 2019 5:34pm
Forum: Battery Technology
Topic: 52V battery dropped to 3.3v output, what to check?
Replies: 11
Views: 362

Re: 52V battery dropped to 3.3v output, what to check?

Strong indicator the BMS has shut down. Possible weak string of cells or possible faulty board. It might be helpful to know just a little bit of information which might be useful, such as: How old is this battery? Roughly how many charge cycles? Charge to 90% or 100%? Full charge roughly how often?...
by Stu Summer
Jul 31 2019 12:23pm
Forum: Battery Technology
Topic: 52V battery dropped to 3.3v output, what to check?
Replies: 11
Views: 362

Re: 52V battery dropped to 3.3v output, what to check?

Satiator reads 56.9v charging. So the power is in there. The unit has no fuse.
by Stu Summer
Jul 31 2019 12:00pm
Forum: Battery Technology
Topic: 52V battery dropped to 3.3v output, what to check?
Replies: 11
Views: 362

52V battery dropped to 3.3v output, what to check?

I have a Dolphin 52V battery. Was on an several day tour. Day one, the battery worked fine, next day 3.3v. I've opened it up but am a newbie. What should I check first?

Fortunately, I had a backup, but had to charge more often.
by Stu Summer
Jul 16 2019 1:42pm
Forum: Battery Technology
Topic: New 52v battery sat unused for two years...
Replies: 12
Views: 617

Re: New 52v battery sat unused for two years...

Thanks everyone for you cautions. I let it go!
by Stu Summer
Jul 12 2019 2:28pm
Forum: Battery Technology
Topic: New 52v battery sat unused for two years...
Replies: 12
Views: 617

Re: New 52v battery sat unused for two years...

Thanks everyone! Very clear.
by Stu Summer
Jul 11 2019 9:23pm
Forum: Battery Technology
Topic: New 52v battery sat unused for two years...
Replies: 12
Views: 617

New 52v battery sat unused for two years...

I see on Craigslist a Luna triangle battery 52v, 28ah, GA. It is unused, bought in 2017, still with wrappings on the plugs. How much capacity will it have lost? They are asking $600 for it ($1000 new). Thanks.
by Stu Summer
Jul 07 2019 1:45pm
Forum: Motor Technology
Topic: Can I up the voltage in this Cyclone?
Replies: 8
Views: 637

Re: Can I up the voltage in this Cyclone?

I am thinking about doing the same thing to my 500w Cyclone. How well is it holding up to 36v? It has been running just fine. I also wired in a voltage reducer (60v-36V) so I could use my 52v batteries. Then I even thoughtlessly connected a 56v ego battery to it without the reducer. I only use it f...
by Stu Summer
Jun 30 2019 6:48am
Forum: Battery Technology
Topic: How to recycle old Lipos?
Replies: 4
Views: 288

Re: How to recycle old Lipos?

Thanks, everyone. I will discharge. It is a long thin delivery bike pack so hopefully won't scare anyone.
by Stu Summer
Jun 29 2019 1:02pm
Forum: Battery Technology
Topic: How to recycle old Lipos?
Replies: 4
Views: 288

How to recycle old Lipos?

What have people done before?
by Stu Summer
Jun 25 2019 8:53pm
Forum: Motor Technology
Topic: 36v/48v Ezee controller: Can I run at 56v?
Replies: 3
Views: 175

Re: 36v/48v Ezee controller: Can I run at 56v?

Thanks, Voltron. Maximum voltage on my batteries is 58.8. So maybe no problem?!?
by Stu Summer
Jun 25 2019 12:58pm
Forum: Motor Technology
Topic: 36v/48v Ezee controller: Can I run at 56v?
Replies: 3
Views: 175

36v/48v Ezee controller: Can I run at 56v?

I have an Ezee geared hub motor with a 36/48v ezee controller. Will it withstand using a 56v battery if I go lightly on the throttle?
by Stu Summer
Jun 25 2019 6:49am
Forum: Battery Technology
Topic: Fully charged Battery dies with load: Why?
Replies: 5
Views: 266

Re: Fully charged Battery dies with load: Why?

Your battery dies because its dead. Old lithium can often still charge to full, but its capacity to handle a load is long gone. You might learn a lot trying to fix it, but if you want to ride, you need to shop for a new battery for this bike. Dogman, thanks so much for the unequivocal reply. I'm wo...
by Stu Summer
Jun 24 2019 9:23pm
Forum: Battery Technology
Topic: Fully charged Battery dies with load: Why?
Replies: 5
Views: 266

Re: Fully charged Battery dies with load: Why?

Sounds like you may have more then one problem. When you say the yellow wire do you mean the yellow phase wire? As for the battery cutting out, I am thinking that you have one or more weak cells in your battery that when put under load sags so low the bms cuts off power to the bike. Sounds right ab...
by Stu Summer
Jun 24 2019 5:41pm
Forum: Battery Technology
Topic: Fully charged Battery dies with load: Why?
Replies: 5
Views: 266

Fully charged Battery dies with load: Why?

I have a 36V battery, 10 or 14ah, form factor like standard delivery bikes, a Hebb. Paired with a Ezee geared hub motor 350w. Satiator says it is charged, in fact, said that it was over charged to 49v. I don't know why. But more importantly, the battery is fine under no load. I taped the throttle op...
by Stu Summer
Jun 09 2019 6:10am
Forum: Battery Technology
Topic: Anyone used 52V Ego Charger for other batteries?
Replies: 0
Views: 154

Anyone used 52V Ego Charger for other batteries?

Has anyone been using their Ego charger to charge other 52V batteries? Does the charger require input from the T and D tabs? I have not been successful trying it.
by Stu Summer
Jun 09 2019 6:09am
Forum: Battery Technology
Topic: Understanding and Using EGO Power+ Batteries
Replies: 78
Views: 18012

Re: Understanding and Using EGO Power+ Batteries

Anyone still working on this? I'd like to be able to mount the EGO battery quick and easy but believe I can't just attach to the two outside connectors on the battery. I believe I need to attach somehow to the T or the D connecting port in addition or battery will not work. Yes/no? Perhaps an easie...
by Stu Summer
May 29 2019 6:25am
Forum: Motor Technology
Topic: Good Overview of Controllers?
Replies: 0
Views: 237

Good Overview of Controllers?

I have several diy ebikes and do some basic repair and diagnosis. I would like a consolidated introduction to the different kinds (and brands) of controllers: standard vs vesc vs ?????. Can anyone recommend? Thanks!