Search found 1018 matches

by eee291
Jan 18 2020 1:11pm
Forum: E-Scooter and Motorcycle General Discussion
Topic: Planning a Vespa conversion
Replies: 20
Views: 668

Re: Planning a Vespa conversion

Image

Just read my first post, all the info is there.
by eee291
Jan 18 2020 12:11pm
Forum: E-Scooter and Motorcycle General Discussion
Topic: Planning a Vespa conversion
Replies: 20
Views: 668

Re: Planning a Vespa conversion

No, they are a Chinese company, asking them for advice isn't really recommended. You'll have more luck with QS motors at least. Here is what I've got in my scooter: https://www.aliexpress.com/item/32811714825.html?spm=a2g0o.detail.1000013.1.2c791be4rchuXo&gps-id=pcDetailBottomMoreThisSeller&scm=1007...
by eee291
Jan 17 2020 7:09am
Forum: E-Scooter and Motorcycle General Discussion
Topic: Planning a Vespa conversion
Replies: 20
Views: 668

Re: Planning a Vespa conversion

Welcome to the ES forum!

I've got a scooter that does 44Mph and goes about 25 miles on one charge, battery is a 72V 30Ah Lg Chem.
I recommend 45Ah or more.
You can't go wrong with a QS motor, capable of much more than what it's rated at.
Good luck with your build.

My scooter
by eee291
Jan 15 2020 5:42am
Forum: Battery Technology
Topic: bluetooth BMS?
Replies: 1245
Views: 138294

Re: bluetooth BMS?

Hello. I wanted to calibrate my smartbms (antbms), it shows me 57.7v while in reality I have 57.9v. I cannot change "Total Voltage Reference Value" which is set to 3000N is there a tip? similarly I don't understand too much to limit the charge to 4.1V, I can't lower the voltage of my charger. I tri...
by eee291
Jan 15 2020 5:39am
Forum: Battery Technology
Topic: bluetooth BMS?
Replies: 1245
Views: 138294

Re: bluetooth BMS?

john61ct wrote:
Jan 14 2020 5:49pm
So cheap!

Open it up and look for a pot adjustment.
We aren't talking about chargers here :lol:
by eee291
Jan 15 2020 5:38am
Forum: E-Vehicles General Discussion
Topic: KLS-S controller issue : rev limited ?
Replies: 13
Views: 1017

Re: KLS-S controller issue : rev limited ?

It's one of those Big Block motors and they work terribly with Kelly sine wave controllers.
I had to go with a sensorless trapezoidal controller from Greentime to get it to spin properly.
by eee291
Jan 14 2020 4:09pm
Forum: E-Vehicles General Discussion
Topic: KLS-S controller issue : rev limited ?
Replies: 13
Views: 1017

Re: KLS-S controller issue : rev limited ?

Could you post a pic of the Motor?
Also, what is the RPM value in the monitor section at WOT?
by eee291
Jan 13 2020 3:25pm
Forum: Polls & Surveys
Topic: Which hybrid electric car will be yours in the future?
Replies: 4
Views: 326

Re: Which hybrid electric car will be yours in the future?

DIY Hybrid or fully electric VW Passat 3B2 8)
by eee291
Jan 11 2020 3:41pm
Forum: Battery Technology
Topic: bluetooth BMS?
Replies: 1245
Views: 138294

Re: bluetooth BMS?

by eee291
Jan 04 2020 5:44pm
Forum: Battery Technology
Topic: low temp error on my BMS
Replies: 32
Views: 1907

Re: low temp error on my BMS

It means is sees too high a Throttle voltage, you could have reversed the wires or maybe you need to tune the dead zone settings.
by eee291
Jan 04 2020 1:30pm
Forum: Battery Technology
Topic: bluetooth BMS?
Replies: 1245
Views: 138294

Re: bluetooth BMS?

Pretty much, I've only used it once myself.
by eee291
Jan 04 2020 1:15pm
Forum: Battery Technology
Topic: bluetooth BMS?
Replies: 1245
Views: 138294

Re: bluetooth BMS?

It disables the C- discharge port, good when you are transporting the battery.
by eee291
Jan 04 2020 12:05pm
Forum: Battery Technology
Topic: bluetooth BMS?
Replies: 1245
Views: 138294

Re: bluetooth BMS?

I'm pretty sure it can't check IR of the pack or individual cells.
The battery score improves or worsens based on the condition of the battery, try cycling it a few times.
by eee291
Jan 04 2020 9:16am
Forum: E-Bike General Discussion
Topic: Quality Programmable Sine Wave Controller?
Replies: 59
Views: 3328

Re: Quality Programmable Sine Wave Controller?

Thanks for the free research :lol:
But seriously, you could use this controller for cars.
It has a nice interface for it, imagine a mini computer USB stick and a radio with a screen in the middle.
Time to start saving some money :mrgreen:
by eee291
Jan 02 2020 7:08am
Forum: Motor Technology
Topic: QS 3000w midmotor
Replies: 448
Views: 48986

Re: QS 3000w midmotor

QSMOTOR, do you plan to alternativiely equip your MID motors by SINCOS encoders instead fo halls? Yes, for our new 180 90H 9000W mid drive motor we will use encoders instead of hall. When will this motor become available? It seems there have been nothing but picture of this motor on your website fo...
by eee291
Dec 28 2019 5:13pm
Forum: Battery Technology
Topic: bluetooth BMS?
Replies: 1245
Views: 138294

Re: bluetooth BMS?

OK, I see now LLT claims to be a subsidiary of JBD. My question is, as @eee291 states, are LLT really just a seller of the exact same BMS (JBD makes) or do they design and build their own products? If the latter, does anyone know both well enough to comment on differences? When you buy a BMS from L...
by eee291
Dec 28 2019 5:47am
Forum: Battery Technology
Topic: bluetooth BMS?
Replies: 1245
Views: 138294

Re: bluetooth BMS?

Is LLT Power the best build quality / reliability / longevity out of all these various "Xiaoxiang type Smart BT" BMSs ? https://www.lithiumbatterypcb.com/product-instructionev-battery-pcb-boardev-battery-pcb-board/ev-battery-pcb-board/smart-bms-of-power-battery JBD is the same company wrt these BMS...
by eee291
Dec 22 2019 12:53am
Forum: E-Bike General Discussion
Topic: Quality Programmable Sine Wave Controller?
Replies: 59
Views: 3328

Re: Quality Programmable Sine Wave Controller?

Um.. sounds like you want a Nucular with Bluetooth (unicorn) which doesn't exist AFAIK. You need to be able to compromise on some things if you want cheap e.g. more expensive, larger size, chinglish manuals etc. Believe if we knew of a controller in that price range and with Nucular specs we wouldn'...
by eee291
Dec 20 2019 3:22am
Forum: Battery Technology
Topic: bluetooth BMS?
Replies: 1245
Views: 138294

Re: bluetooth BMS?

Yeah, I'd crack open the pack and confirm it with a Multimeter. My guess is a bad weld or solder joint.
by eee291
Dec 19 2019 4:02pm
Forum: Battery Technology
Topic: bluetooth BMS?
Replies: 1245
Views: 138294

Re: bluetooth BMS?

Glad it worked out for you and thanks for reporting your fix.
Most people just disappear afterwards and we never get to know what happens in the end.
by eee291
Dec 17 2019 9:11am
Forum: Battery Technology
Topic: bluetooth BMS?
Replies: 1245
Views: 138294

Re: bluetooth BMS?

You can unlock more channels without flashing a new firmware, all you need is the PC dongle and Software which I guess you already have.
by eee291
Dec 15 2019 6:08pm
Forum: Battery Technology
Topic: bluetooth BMS?
Replies: 1245
Views: 138294

Re: bluetooth BMS?

viewtopic.php?p=1515412#p1515412

Check the pics on the post and make sure you are using the latest version of the App.
by eee291
Dec 15 2019 4:36pm
Forum: Battery Technology
Topic: bluetooth BMS?
Replies: 1245
Views: 138294

Re: bluetooth BMS?

You can disable unconnected temp sensors with the App or PC program.