The battery and controller both have a 20 amp maximum ratingScooterMan101 wrote: ↑Nov 28, 2017 9:37 amYour choice of Battery Pack is going to be holding your performance back, and / or the controller will dramatically shorten the life of that battery pack .
Par Example :
The battery pack you show , is rated at only 15 amps continuous ,
The controller you show is 20 amps,
So if you do not have a way to keep the controller from drawing more than 15 amps your battery will have a very short life.
For the Faster speeds you want higher voltages will be better , the controller / text you posted with the picture of the controller shows it can use a 52 volt pack ( 14s ) a 48 volt pack is 13s.
( if correct at 64 volts you could even use a 15s pack, example would be 3 5s lipo packs, or custom made 15s pack made from 18650 cells, If you want to stay with 18650 cells 14 s packs are currently available from Vendors )
Is there a way to cancel the battery order ? So that you can get a better pack .
Once you do that we can tell you some better options for a pack.
It's a square wave and I doubt it has the power of an equal rated Infineon.eCue wrote: ↑Nov 06, 2017 8:17 pmmotomech wrote:I don't think just because an Aliexpress vendor claims the motor is a MXUS product, guarantees it is a MXUS, especially at the prices at that site. With copies and clones so prevalent from that market, I think the only way to be sure one is buying a MXUS, is to buy from the factory direct.
I ran a MXUS geared mini for a number of years and know that motor well.
I did not see a 64v or higher version[controller] on the page I bought this with the idea of upgrading down the road. I should of bought one that could go up to 72v to future proof it tbh
I just wrote this yesterday in another thread;
"As solid as the the MXUS mini is, you need to be a little careful here, there is a limit to what it will take.
A long time ago, a member here, mckeefer, tested a MXUS mini to destruction. He was in the 60's Volts range when the windings melted. I don't remember how many Amps he was running.
For a motor's mass, there is a limit in Watts and for the MXUS mini, it's around 1200 Watts. As Volts go up, the Amps need to come down so not to exceed this level and this means adding Volts will reach a point of "Diminishing Return".
Amps-I have used various controllers on the MXUS and for a "hard hitting" controller like an Infineon, 22 Amps is about the limit before the motor starts to make "hammering noises". Go past 25 Amps and I wouldn't want to place money that the gears will last long. With a "soft-hitting" controller like the new sine waves, 25 Amps would probably be safe.
Volts- I have run between 12S(44V) to 15S(55V) on the MXUS. adding much more than 14S(52V) doesn't really add much speed, especially when one has to start cutting back on the Amps and the motor starts to become "power limited", rather than "RPM Limited".
Shoot for 24 to 25 mph top speed, going for any more on the MXUS mini will kill it".
Wish i could afford to buy retail as now Im waiting up to 9 weeks according to battery seller who suggested I might want to pay him $100 for air shipping. When the kit arrives I'll start a thread to keep a record of the build and ride quality , have much anticipation.
I read/replied to the thread by the member who destructed his MXUS 350 , at 2500w of juice no less. I think it was he was using 60A at 100v when he cooked the hall sensor , incredible that he got away for 3 weeks or what ever it was.
Hope its MXUS they ship me I think it will be as alliexpress has guarantee that you get what you pay for . I have no idea how good that guarantee is but it sounded good at the time.
Now that controller I don't have much faith in it being a sine wave , it was advertised as 20A 450w and sine wave but i can't find any documentation on it.
Have you seen that 48/64v 450w in sine wave around ?
What do you think about it , is it a square wave or sine wave controller ?
The best bet might be a 20 A "KT" sine wave from PWS Power shunt modd'ed to 25 A. But I'm not sure it would be much more powerful than what you have now, but it would be a much nicer controller to use, especially the PAS function.Have you seen that 48/64v 450w in sine wave around ?
I had a C.A. at the time , but it was years ago. I think I used to see 700 to 900 Watts full throttle, depending on the controller.How many watts was the motor pulling in its acceleration mode with your first controller vs 2nd controller ?
You don't need the biggest, just a well set-up MAC from Paul (ev3em)
But hey my next bike will have the largest geared hub motor I can find !
For $17, it's not a sine wave.t seems of good quality inside it has 9 Frets and a silicon case and wire seals If turns out to be sine wave i'll be happy. I bought under the impression it was a sine wave controller.
For the cost of a C.A., you could buy the KT system. It's basicly the same as BMS Battery's SO6S/lcd display sine wave, but with more power. The KT system, I.M.O., would be way more useful on a Q100 build than the C.A.If i find its not a sine wave in testing i will buy a new controller , one that runs 36v thru 72v
Next month will likely pick up a cycle analysts , im still spending money on odds and ends now.
As king as you're not selling the items yourself, posting direct links to the items is useful and helpful and desirable.
In general, this is not correct. There are sine controllers that also have self-learn. Just one example is in this post:
I spun the little inner wheel on my unmounted PAS sensor (of the type pictured) and and it caused the rear wheel to momentarily spin. So you can test the basic functioning before pulling crank arms and mounting.motomech wrote: ↑Dec 04, 2017 8:37 pmBe advised that when BMS Battery first came out with their "Dual Hall" intergrated PAS sensor, there were some complaints of it not working. Just an advisement, not saying the one pictured won't work. Too bad there isn't a way to test it without mounting it.
I had one that I didn't use because I didn't want to pull the crank only to find out there wasn't enough clearance for it. I took the easy way out and fitted Ebike CA's two piece "snap together" disc which makes mounting a breeze.