conhismotor personal experience

[Pablo_1985]

Hi everything started here:
http://endless-sphere.com/forums/viewtopic.php?f=2&t=14355&p=214837#p214837

Now, i´m trying to get another controller, because i consider it is not my fault a failure like this, at the moment everything i have are problems, i will update sonn with all of them and how is going right now, because i need time, this is not my mother tongue and it is a little bit dificult to explain everything.

Regards

 

[ZapPat]

Pablo,

It was probably your batteries that caused the controller to over-volt itself during regen. This kind of battery (lead-acid) is not good for regen use because they are not made to recharge fast. If recharged with too much current, their voltage will rise rapidly. If the controller has over-voltage protection (as it absolutely should with regen), then this will lead to burnt zeners and MOSFETs.

Conhismotor should replace your controller since you had informed them of what batteries you were going to use, and you say they did not respond. Good luck with customer service. If they don't replace it, then you might want to add their company name it the 'companies to avoid' thread of this forum. You can find a replacement controller on ebay fairly cheap (ecrazyman has OK ones).

By the way, lead-acid batteries are loosing popularity in the EV world very fast. There are much better batteries available now which might cost you a little more to buy, but will last *much* longer than lead-acid batteries. It would be good for you to read the battery section in this forum to learn more about what people are using.

I hope you sort these issues out and don't et too discouraged!

Pat

 

[Pablo_1985]

Conhismotor should replace your controller since you had informed them of what batteries you were going to use

Exactly that´s it, i informed them.

I know about batteries, but i had a friend working with UPSs, and he had lot of batteries, so this batteries are not cheap, they are free! that´s why i wanted to use them then see if i use the bike, if i like it, and then when the batteries died buy a lifepo4 pack.

I already know about keywin, ecrazyman, but first of all i want what i paid for.

Best regards

 

[Drunkskunk]

hope this works out for you. I'm not happy you are having troubles, but I am glad to see some response on con his motor.

I've been currious but skepticle of this vendor since learing about them. The name, "Con His Motor" is probably just an unfortunate coincidence, and not some secretive jab by the owner at his potential clients , but it does show a lack of attention to detail by the owner to chose that for a name. Anyone who would miss something as big as their company name's negative meaning wouldn't likely be paying much attention to the details of their product. I.E. not telling you that his product wasn't suitable for use with SLA.

 

[Pablo_1985]

I will tell you more details later but don´t think it ihas been an easy way... i have spent weeks of continuous fighting, yesterday i put a complaint in paypal, and that is what seems to be working, the best i get is a new controller just paying for the freight, 20 USD, but they only said it when i talked about paypal...i´m not happy because it is been pretty hard this fight, and now it seems they want to take every cent they could squeeze from me, even when i have bought 2 kits wich cost incluiding fright 650 USD they still fighting for just 20 USD, wich i don´t know if i will pay, even when it seems to be a good deal for stop fighting, just because I DON´T HAVE TO PAY...

Best regards

 

[Pablo_1985]

I paid 20USD and it seems that today they give me the traking number, but i wrote them an email asking a few questions about the controller
ME
Hi Barbara, could you tell me how high could be the regenerative current for this controller? Also i would like to know how much could rise the battery voltage when the controller is regenerating.

Regards

CONHISMOTOR
Dear Pablo

Get rid of the thoughts on using this controller to the Lead-acid battery.

I don't know either, I need check with our engineer.

I will update to you once I get it.

Best regards
Barbara

ME
Hi Barbara,

I should get rid of using this controller with regenerative braking and lead-acid battery, not using this controller with lead acid battery at all, because i can deactivate regen mode. It is important you tell me the data i asked you, because in a future i will buy a battery pack, and i want to be completely sure it´s going to work.

I have already tell them that i will disable regen mode with a jumper, i don´t know if they are saying that just for not giving to me any kind of warranty, because emails before it could work but not with regen...now we´ll see how long will it takes to arrive madrid, i hate spanish customs ...

 

[maxruler]

Thank you for sharing your experience.

I was looking into regen as well from same manufacturer,
so you convinced me for not going with that type.

How did the story end ? Good controller and happy with it ?

Thanks for sharing!!

 

[Pablo_1985]

Now i´m using my bike with no problem and no regen (besides my controller is a regen one), i deactivate it because my batteries can´t support this mode. It works perfect, i have no problem, so it works at it could be spected...but, i open the controller (the second one they sent me), and i put thermal paste, because it has nothing...also i improve all solders putting lot of Sn for big currents...i spent...10 or 15 minutes... i supose that if would not do this it also work ok, but the thermal paste isue is pretty important, it can be a enourmous diference on the expecting life of the controller.

So buy conhis, is a cheap brand, but you must know the limitations of what you are buying because if you don´t you could have problems like i had.

When i get a lifepo4 pack i´m going to put regen but with a buttom then i could deactivate or activate it...lot of times is a better chance a freewheel...but this is another matter

Best regards

 

[kentlim26]

i have also bought the Conhismotor. it takes 3 or 4days to ship here. not bad, the max rpm is 420,
and going for a very steep slop for here, is 35km/h. my friend other kit is 20km/h for 500watts.
the top speed for this motor is 54km/h (down hill) , on flat road the top speed is 51km/h, no load
speed my friend tested is 61.7km/h from Newzealand, the troque is not bad, lots of fun. the shap of the
motor is very beautiful flat look like x5 series. i intend to build this ebike not to take more then 2c.
im currently using a sla batteries, and range i can get is 35km (maximum). batteries is not yet
upgarde, maybe 6months later, if i have some extra spare cash. ya.! the cost + shipping to here, is
half of cyclone kit 900watts.

cheers.
kentlim

 

[Pablo_1985]

The controllers are pretty bad, i have burn 2, two times... just for using regen... so... don´t use regen even if they tell you it is regen! Now i am waiting for a 9 fets controller lyen edition

 

[neptronix]

The name, "Con His Motor" is probably just an unfortunate coincidence, and not some secretive jab by the owner at his potential clients , but it does show a lack of attention to detail by the owner to chose that for a name.

Understatement of the year, have you seen this?

http://www.conhismotor.com/ProductShow.asp?id=61
"high cost performance, much more economical than governor'
"good creeping slop capacity"

 

[kentlim26]

ha ha, that is funny !! hee :lol: :lol: i have heard of Regen controller failures. I never believe regen controller can work unless is a brand/ Top end names, like kelly controller Regen. That one sure works. Do we need a Regen controllers? i think no need.. for a 48v 10hr lifepo4 can give you a range easily 40km. that is sufficient enough for a regular commuter. 12wh/ km x 40km = only 480 watts



kentlim

 

[Wilfred]

Just want to let you know my personal experience with conhis motor,

Bought two lifepo4 batteries from conhismotor which took over two months to finally get them. I even had to file a claim on paypall and had to contact a business friend in China who works for a big company near their location to force them to send the batteries.

But after two months, i finally got them.. And the quality seemed to be very poor, low amps and poor construction.. Since the BMS from one of them broke down for no reason I contacted conhis motor again. After a week i got the surprising reaction that i could send them the BMS back and would receive a new one instead.. After lots of mails conhismotor keeps shifting its sending date (while i send the old BMS over a month ago) and I still have not received a thing.

I don't really expect a reaction on this thread, and also don't want to prevent anyone would buy from them again(since I hope there are people that don't experience so much problems with them) but iI do want to share my story so people are aware what might occur.

Personally i don't ever buy from them again, in my opinion the quality is far too bad for selling, delivery takes far too long and the service is really bad. I'd better bought a battery twice the price from a decent seller.

Sincerely, Wilfred NL

 

[shorza]

Also check this out for similar experiences: http://endless-sphere.com/forums/viewtopic.php?f=2&t=23644&start=0

 

[freesiderxl]

Yeah, I've had a hard time with Conhis' sales today on the phone

in the end, i'm not going to be buying from Conhis.

Their sales team are the rudest, most nonsensical people I've encountered. I figured with batteries, one could get 2 of the three: price-quality-service. i've seen some people happy with quality but not service, and vice versa. they've thoroughly proved that they have no interest in my business, so i guess back to looking for a supplier.

I've sent emails to Headway and Ping (the generic emails on their websites), but haven't heard back from them yet. Does anyone have up-to-date email for their current sales guys?

(reposted from a different thread)

 

[kentlim26]

hi

i have some friends have bought conhis kits, myself don't face many communciation problems. as for me, " everything takes sure a bit risk and unsure the next thing will happen. actually i run cyclone kits 1st, for some times, and run other types of cyclone kits, until all the controller blow/ spoil and ends me to switch to hub motor. Myself also don't know the actual outcome, simply i order the kit/ throttle+ ems without much questions ask. i pay them thro paypal. I got my kit afew days later and run them..i have run conhis kits 3800km soon to be reached. I order my battery from BMSbattery.com ,not bad i don't have any negative comments since all those battery is running very well. Top speed 53.1km/h

HUB motor DD i think is the best choice, if is not Conhis service will work well, how about http://crystalyte.com/ HT/ or HS seem to be awesome.

yes. i had also call them over the phone, but not so good. but they still do deliever My kits 48v 1000watts in Less one week. so i won't call them any more expect emails. the conhis motor, i have one. The magnet size is 32mm in width similar to the x5304. im not sure they can take in more power or not. i am still stay the same volts 48v ~ 59V for this time.

what is really most importantly, reliable and a lasting ebike kit, No problem is always a happy ride.

cheers
kentlim

 

[Trackman417]

The only two questions I have are. Is the torque on the motor good? Is the quality Of the motor anything worth bragging about?

 

[rui_fujino]

hey, ive got the same motor (i got it from luckybbd), it's been very good...until recently the wire coming out of hub got major cut while fitting on to new bike...and that springy parts of harness came off and it doesnt work :x ...but i've told the dealer about it and he is sending me a new one for free!!! ! i just need to pay for the shipping fee
the motor seems to work but then it just vibrates so much and it only works for 2 sec then stops...i believe hall sensor broke...

 

[The Mighty Volt]

Anyone know the windings on his motors??? THanks.,

 

[kentlim26]

if the vibration is very bad, it is just the hall sensor. one is bad, or two. sound Like Ruhh....!! if you use hand spin, it can spin. I am not sure about the winding, but this hub motor runs 48v at 50km/h, and size of the magnet is 32mm, weight is 7.6kg. the price is great USD115 wheel price now.. my controller still alive 4400km now. cheers kent

 

[rui_fujino]

well, turns out! i've made complaint to the dealer i got this motor from. and he said since its only been less than a year and its too much hassle to ship it bk and return he'll send new one for 50USD! and that's just for the shipping price!!
so i can now get new motor for 50USD and all i have to do is fix the old one and i can keep as a spare!

 

[kentlim26]

wow !.. very good deal. the motor in my opioion, is tough like a solid rock. I am running 48v, not over volt them. so the motor has no stress and it can run all the way no problems. I suggest you should try to open up the motor and see, they are easy to fix, hall sensor.. (just replace all of them), my believe all the hall sensor are the same. I use a NON brand hall sensor had been running until now 2000km. Once you have open up the motor, if you do see rust ,, sand paper away, and spray Hi- heat temp spray !!, you can oil the metal surrounding, so it will never rust. after all your have done everything.. closed it back. i will use a wood to knot it once or twice.. then i put back all the nuts. spin freely... check. if not, you got to open again and close again... i did this until it was like a orginal one. smooth...no magnet drag. spin easy - checked.

when i bought his new one hub motor at first the top speed i get is only 50km/h on flat, after cleaning inside the rusty parts and spray, oil them,, my new top speed is easy to get 52km/h. troque and speed is faster now. So there is really no harm open up and check inside. (DO sand paper away all the rusty parts,, important ). If you like to put a ebay sell your hub , people will buy from you.

kent