Gentlemen (and Ladies),
MOTYDesign.com is back with another Group Buy just for the members of VFRD.
This group buy will not have a quantity limit. We appreciate your business so much that we are offering our 8 Cell Post Design Battery for 1 MONTH at a discounted price. Starting today Monday, June 20th, 2011 until Tuesday, July 20th, 2011 the batteries will be $140.00 (Shipped within the United States) and $180.00 (Shipped out of the country) For all out of country shipments we ship Express via USPS (TRAKING NUMBER PROVIDED TO YOU FROM PAYPAL). This is so that it does not get caught up in Customs. You should receive the battery with 7-10 days (customs is filled out to help on the duty fees). You can click the buy it now button below to get your MOTY Design 8 Cell Post Design Battery shipped today. Keep in mind that this pricing is only for this group buy and has not even been offered at a discounted price to any one but this forum!
* Pulse discharge @ 10 seconds = 240 Amps
* Continuous discharge (MAX) = 140 Amps
* Cycle Life (DoD spec) = 1,000 cycles
* Dimensions (L x W x H) = 10.5cm x 5cm x 7cm / 4.13" x 1.96" x 2.75"
* Weight = 766.57g / 1.69lbs
* Rating = 4.6Ah
* Operational Temperature Range = -22 °F to +140 °F
=---------------------------------------------------------------------------------------------------------=
Here are specs on the Yuasa YTZ14S which also works for the VTEC bikes:
Voltage: 12
Capacity: 11.2
Dimensions: 6" x 3.4375" x 4.375"
Weight: 8.6 lbs.
Metric Dimensions: 150mm x 87mm x 110mm
Metric Weight: 3.9 kg
Polarity:
Acid Volume: N/A
Amps: 1.1
C.C.A.: 230
Sounds good, but it seems like several of the members who were involved in the last group buy reported having issues with these batteries! :blink:
Just wanted to be sure our members are getting quality products with these group buys. Are you were aware of any issues or had contact with the members who have had them?
http://www.vfrdiscus...cooked-my-moty/
BTW I am Not implying that there are issues with them, just asking for some clarification with the sole purpose of protecting our members interest. .
We were contacted on one case that there was an issue with a battery. The same day the email was recieved we had a new battery packed up and shipped out. As for what the cause of the issue was we are uncertain, but have not heard anything back since we sent the replacement. To our knowledge we have 100% customer satisfaction.
We were contacted on one case that there was an issue with a battery. The same day the email was recieved we had a new battery packed up and shipped out. As for what the cause of the issue was we are uncertain, but have not heard anything back since we sent the replacement. To our knowledge we have 100% customer satisfaction.
Thx, I've heard you have Excellent Customer Service! :fing02:
I bought my battery during the last group buy months ago and have been very satisfied. The battery started my cycle no problem during the winter, starts right up after sitting for over a week at time, and i have done a couple 500 mile roundtrip runs plus commuting to school no issues. My only complaint is after putting foam [what came with the batt was not enough btw] under the batt so it isn't dangling in the air by the wires, I didn't have as much extra space as I was expecting. I hope the lifespan is equivalent, and then some, in comparison to the traditional lead battery.
We were contacted on one case that there was an issue with a battery. The same day the email was recieved we had a new battery packed up and shipped out. As for what the cause of the issue was we are uncertain, but have not heard anything back since we sent the replacement. To our knowledge we have 100% customer satisfaction.
That was me. Customer service was fast and excellent. No problems so far with the new battery. It's working fine.
Mine has been in about 6 weeks now with no problems. Starts right up and has good voltage readings on my voltmeter. Actually much better readings than any other battery I've had in the bike (the MOTY is the 4th one).
My battery is working fine - I did have questionable starting issues in the cold garage where my bike is stored - but that was in freezing conditions. Ran my bike all over North Carolina during TMAC without any issues. I'm pleased with it - and I also appreciated the fast response to my questions that I had sent to MOTY via email.
No hesitation to recommend MOTY to anyone. :fing02:
Also had my battery since the last group buy.
I don't monitor my voltage or anything, but it never failed to start the bike and never even hinted at being weakened.
No issues what so ever.
As to there not being enough foam to secure it, I folded and stuffed a rag next to it. Never know when an extra rag might come in handy.
I might be interested, but I just checked out the Shorai LI battery at a bay area dealer this weekend and their regular price ($150.00 for my 4th gen) is still a bit too close to this group buy discounted price, considering the Shorai has a nicer hard plastic case and similar terminals to my reuglar battery that will make it a more plug and play application. Plus they offer the proprietary charger that balances the cells. Not really sold on the MOTY shrink wrap approach to packaging the batteries.......too RC for me.
Does the MOTY have better performance specs that might make it a better choice over the Shorais (weight, AH rating)?
Maybe if it does, then I can seriously consider jumping into this MOTY group buy.
@ c7j6y1 - It is not necessary to run two batteries at once. Even though these batteries are small they can handle what your bike needs.
@Beck - True, the Shorai does have a nifty case. We are currently doing R&D on cases and hope to have it up and running soon. Our Post design battery mimics the terminals of a normal LEAD Battery and as the Shorai. So there should be no issue in connecting the battery in the battery tray. If you look on our website we too offer a LiPro Battery Charger that balances the cells, even with our current packaging there is a 4s balancing plug on ALL batteries for an easy plug in option for the charger.
As for the specs of our 8 Cell Battery:
Pulse discharge @ 10 seconds = 240 Amps
Continuous discharge (MAX) = 140 Amps
Cycle Life (DoD spec) = 1,000 cycles
Dimensions (L x W x H) = 10.5cm x 5cm x 7cm / 4.13" x 1.96" x 2.75"
Weight = 766.57g / 1.69lbs
Rating = 4.6Ah
Operational Temperature Range = -22 °F to +140 °F
With lightweight batteries available today we all have similar Specs and prices (if not exactly the same in some areas).
Please look at our website www.MOTYDesign.com we have much more information about the batteries along with video.
I picked up one of these after I missed the last group buy. I had alot of problems getting it started on cold mornings (40-50 degrees). I'd hit the starter and everything would die. Clock would reset and then nothing. I was very close to contacting MOTY, but the weather warmed and the problems went away. Since then, no problems at all. I'm hoping the problems don't start up again in Sept/Oct once it starts to cool off here in NH. Time will tell. Other than that, I've been very happy.
Sorry to bring this thread back up, but I went to start my bike this morning and it cranked slow. The clock and odometer ended up resetting to zero. The bike started, but it really wasn't that cold out. I think the outside temp was about 40 degrees F, but the garage had to be about 50F. I normally ride down another 5-10 degrees. Is this battery going to be able to start the bike??
Just rode the bike on Saturday too, so it hasn't been sitting all that long. About 36 hours.
Anyone else having issues now that the cold is hitting?? I've got another MOTY battery for my track bike. Should I wire both of them in parallel for the VFR in the winter??
Ken - I'll try to start my bike tonight and see if the cold here is affecting it. I noticed it was very hard to get it cranking last spring when the temps were cold. YOu could try turning the key on - let it sit for about 2 minutes, then crank it. Apparently these batteries like to be warm - even hot! I had a great summer with my battery - and know that its not good in the cold. I'll be pulling my battery out of the bike for the winter shortly. One more ride to top up the tank with StaBIl and fuel - then silence until next March..
I had trouble with the RC51 last month in Franklin. Ambient was probably low 50's in the mornings. Dragged down and killed the trip meter, wouldn't fire first few times. Eventually did, but I was ready to push... Never an issue later in the day, either day.
VFR has been fine, but I didn't try it in the upper 30's over the weekend. Coldest start was Saturday late morning, sitting outside overnight, temp readout said mid 40's in the shade. Started fine.
I'd agree with KKen on the start procedure there. It did seem like the battery needed to get some use, i.e. a couple tries on the starter, before it wanted to go full power. Maybe leaving it on for a minute or two will save from resetting the clock and trip meters?
I haven't had any issues with mine.
My stator did go south recently, but it is probably just a coincidence. I have no evidence to suggest that MOTY was at fault here.
Been working just fine since replacement of stator.
Will report on cold starts - only 50s here today and the bike started perfectly just now after sitting for a couple of days.
I haven't had any issues with mine.
My stator did go south recently, but it is probably just a coincidence. I have no evidence to suggest that MOTY was at fault here.
Been working just fine since replacement of stator.
Will report on cold starts - only 50s here today and the bike started perfectly just now after sitting for a couple of days.
You had your's in for the Catskills?
Forgot about that one. Still no 30's, but was chilly in the mornings. Definitely colder than a closed garage. Zero issues with the VFR MOTY.
I had trouble with the RC51 last month in Franklin.
I remember reading about the RC problem. Figured it was just the big jugs giving you the problem though. :laugh:
Guess I'll try cycling the key and waiting tomorrow morning since it should be about the same temp.
Oh, I noticed the other day that my dash light appeared to go dim then bright at a stop light as my turn signal turned on and off. My volt meter was still over 12.5 volts which seems pretty normal for my bike (that is actually higher with the MOTY battery than I used to see with they Yuasa battery). Voltage while riding is over 14 volts, so no charging issues either. It got me thinking whether the MOTY battery really has enough capacity for the bike or not.
The low amperage (140) would result in cold start problems. The original battery had 230 CCA. For warm weather these are great...checking the balance on the cells would be advisable for longevity.
I did speak with another person who had problems with the MOTY and did a breakdown inspection...hoping they post up.
The low amperage (140) would result in cold start problems. The original battery had 230 CCA. For warm weather these are great...checking the balance on the cells would be advisable for longevity.
I did speak with another person who had problems with the MOTY and did a breakdown inspection...hoping they post up.
I would have assumed the Pulse discharge of 240 amps @ 10 seconds would cover the starting.......then again I'm not an electrical engineer either. :blush:
From the specs MOTYDesign posted:
Pulse discharge @ 10 seconds = 240 Amps
Continuous discharge (MAX) = 140 Amps
You had your's in for the Catskills?
Forgot about that one. Still no 30's, but was chilly in the mornings. Definitely colder than a closed garage. Zero issues with the VFR MOTY.
Yep.
And apparently I was running a total loss system while riding in the Catskills.
The lights died during the very next ride on my way from work. Thankfully, it had enough juice to keep the engine running and get me home.
Trucking it to the Catskills was a good decision in retrospect.
I had trouble with the RC51 last month in Franklin.
I remember reading about the RC problem. Figured it was just the big jugs giving you the problem though. :laugh:
Guess I'll try cycling the key and waiting tomorrow morning since it should be about the same temp.
Oh, I noticed the other day that my dash light appeared to go dim then bright at a stop light as my turn signal turned on and off. My volt meter was still over 12.5 volts which seems pretty normal for my bike (that is actually higher with the MOTY battery than I used to see with they Yuasa battery). Voltage while riding is over 14 volts, so no charging issues either. It got me thinking whether the MOTY battery really has enough capacity for the bike or not.
Maybe check out one of those RC (remote control, not 51) charger/balancer units to balance the cells? I don't know anything about that, I think Kaldek could give you some tips?
I wonder if some grounding issues are causing the light pulsing?
Maybe check out one of those RC (remote control, not 51) charger/balancer units to balance the cells? I don't know anything about that, I think Kaldek could give you some tips?
I wonder if some grounding issues are causing the light pulsing?
That could be an expensive endeaver. Not all RC chargers can handle LiFePo cells, as they act differently than LiPos. The charger I'm using now can pretty much handle whatever battery type you can throw at it and balance them to 0.01V, but that was an $80 investment for used, not to mention the cost of a power supply if you don't have a spare computer power supply lying around.
I don't remember seeing balancing taps on my MOTY though.
Great. Right after I buy my HEAVY DUTY over size STllOO YUASA battery they have to come out with these new tech gems. Look forward to seeing how these things work out for you guys.
Okay, this morning was a couple of degrees colder. 38 outside instead of 40. I turned on the key and watched my volt meter. It started about 12.5 volts and steadily came down to 11.5 volts (about 30-40 seconds) at which point I hit the start button. It cranked really slow and would not start. The clock and odo reset. I turned the key off and let it sit for maybe a minute. Then turned the key on and hit the start button right away. It cranked much quicker and started right up. Maybe tomorrow I turn the key on and let the voltage drop, then turn it off for a minute before starting to crank??
[image: View Post]mello dude, on 31 October 2011 - 03:58 PM, said:
Why not ask Brian of MOTY for his 2 cents on info on the cold start stuff? -
Done. Sent him an email this morning referencing this thread. I figured if he answered me here, then others can reference back here in the future if needed.
[image: View Post]Tightwad, on 01 November 2011 - 05:26 PM, said:
Is your voltmeter reading directly from the battery? It should be able to hold the baseline voltage for more than a few minutes.
No, it goes through a Blue Sea fuse box which is activated by the tail light via a relay. While riding, it held a steady 14.19 volts this morning on the way to work. While sitting there not running, I think the headlights pull the voltage down pretty quick, espeically with the MOTY battery.
I have a lightweight battery that should be functionally identical to Moty's. Cold weather starting (within reason) shouldn't be a problem if you do it right. These batteries need to be warmed up, without draining them too much. Crank the starter for a couple seconds, turn the key off and wait 30 seconds while the battery wakes up <------ technical terminology ftw :tongue: It should be good to go after that. An 8 cell will start my Blackbird at temps around freezing first crank . . . after the initial battery warmup crank :smile:
[image: View Post]RedEye, on 05 November 2011 - 04:24 PM, said:
I have a lightweight battery that should be functionally identical to Moty's. Cold weather starting (within reason) shouldn't be a problem if you do it right. These batteries need to be warmed up, without draining them too much. Crank the starter for a couple seconds, turn the key off and wait 30 seconds while the battery wakes up <------ technical terminology ftw :tongue: It should be good to go after that. An 8 cell will start my Blackbird at temps around freezing first crank . . . after the initial battery warmup crank :smile:
Saturday morning was 45 at 0900, VFR was outside overnight. Started ok, but cranked slower. Didn't die out, or wind down then reset the clock, but was noticeably slower than normal.
I think the main issue is that some MOTY's behave differently from each other. The one in my RC51 doesn't like these temps. I put it down to the big twin, but Wera803's VFR is doing the same thing. My VFR seems to start ok.
NIce day here today - temps in the 13 C range. Decided it was time to put my VFR up for the winter - tried to start it to go the gas station to fill up the tank - not even so much as one or two cranks. Not enough juice to even slowly turn it over.
Let the key stay in the ON position for a couple minutes - turned it off - then on and hit the starter - still nothing.
Ended up having to get my battery charger out and send some energy back into the MOTY. Let it charge for about 30 mins - then finally got it to spin over and fire up. I rode the bike only a couple weeks ago - no problems then. I'll be honest - I'm not completely confident in this battery set up - the bike sits in my insulated garage - its not too crazy cold yet - and my bike has had ZERO electrical issues. I'll pull the battery out for the winter as recommended, but I may be looking for a better solution over the winter.
[image: View Post]KPerham, on 06 November 2011 - 07:22 AM, said:
Saturday morning was 45 at 0900, VFR was outside overnight. Started ok, but cranked slower. Didn't die out, or wind down then reset the clock, but was noticeably slower than normal.
I think the main issue is that some MOTY's behave differently from each other. The one in my RC51 doesn't like these temps. I put it down to the big twin, but Wera803's VFR is doing the same thing. My VFR seems to start ok.
Just curious what kind of oil you are running Kev?? :smile: I was thinking, I am running the 15W50 Mobil 1 synthetic. I wonder if thicker oil causes any additional strain on the battery?? I would think the synthetic would help, just not sure about the weight. With over 47k miles on it, the engine shouldn't be exactly tight.
Mine reset again on me this morning. Outside temp was about 45F and in the garage was probably 55F. I currently have the 2nd MOTY battery in the bike that I have and it has been doing similar stuff, so maybe it is something with my bike in particular, just don't know what yet. I have the VFRness installed and a cooling fan on my regulator. I've never had a single issue with my electrical system either. Those things were done just as a preventative measure.
The next step for me is to probably wire both MOTY batteries in parallel and give that a try. Not sure if it will do anything extra or not, but it's not near cold enough for me to quit riding yet and the resetting of my trip meter every morning is screwing up my tank mileage. :laugh:
[image: View Post]spud786, on 07 November 2011 - 07:51 AM, said:
Proven Technology , Its interesting to see How people over look short comings, works great in warm weather(most times) so thats okay LOL!
I don't think people are really overlooking shortcomings........at least I'm not. That is why I posted the problems I am having. Sometimes you just don't know the shortcomings until you encounter them and technology doesn't grow without experimentation.
These batteries aren't exactly made for the everyday joe anyways. It's still a niche market item for people who need a smaller battery for custom jobs or racing purposes.
[image: View Post]YoshiHNS, on 07 November 2011 - 08:27 AM, said:
These batteries aren't exactly made for the everyday joe anyways. It's still a niche market item for people who need a smaller battery for custom jobs or racing purposes.
I was just looking over my Dakota's mileage, and I've put just over 2400 miles on it this year. Compare that to the 2300 mile trip to the Catskills on the VFR. Don't know what you consider an everyday joe, but I ride the VFR more than I drive my truck.
Back on topic, I'm starting to think the two different "Batches" of MOTY that went out to our members are the difference.
Since I haven't had any trouble with the VFR, but others are, maybe the first group buy are the issue?
Wera Ken, when did you buy yours?
Kanadian you got yours in the first?
I bought one of each, plus one from Switchblade who I think got his in the initial. I then sold it to Wera803 after I sold the PC800. I am pretty sure the one in the VFR is from the second group buy, which is working pretty well.
Who has a Shorai besides Kaldek? Not sure how much riding he got in during the colder months in OZ. Sounded like not a lot due to other issues...
[image: View Post]KPerham, on 07 November 2011 - 10:21 AM, said:
[image: View Post]YoshiHNS, on 07 November 2011 - 08:27 AM, said:
These batteries aren't exactly made for the everyday joe anyways. It's still a niche market item for people who need a smaller battery for custom jobs or racing purposes.
I was just looking over my Dakota's mileage, and I've put just over 2400 miles on it this year. Compare that to the 2300 mile trip to the Catskills on the VFR. Don't know what you consider an everyday joe, but I ride the VFR more than I drive my truck.
Back on topic, I'm starting to think the two different "Batches" of MOTY that went out to our members are the difference.
Since I haven't had any trouble with the VFR, but others are, maybe the first group buy are the issue?
Wera Ken, when did you buy yours?
Kanadian you got yours in the first?
I bought one of each, plus one from Switchblade who I think got his in the initial. I then sold it to Wera803 after I sold the PC800. I am pretty sure the one in the VFR is from the second group buy, which is working pretty well.
Who has a Shorai besides Kaldek? Not sure how much riding he got in during the colder months in OZ. Sounded like not a lot due to other issues...
I got mine in the first group buy. Hoping that MOTY chimes in here soon to give us some logical explanations????
I meant that these batteries weren't originally meant for normal, everyday use. They don't work the same as lead acid batteries. I didn't mean that only top class racers are supposed to use them.
[image: View Post]KPerham, on 07 November 2011 - 10:21 AM, said:
Wera Ken, when did you buy yours?
I think I procrastinated too much on the first batch, so mine came from the second group buy. I originally thought it would be open for a while and didn't realize they were only offering 10 as a group buy.
[image: View Post]wera803, on 07 November 2011 - 11:31 AM, said:
[image: View Post]KanadianKen, on 07 November 2011 - 10:40 AM, said:
Hoping that MOTY chimes in here soon to give us some logical explanations????
Brian has actually been emailling me direct trying to get this figured out. Once we get it figured out then I am sure an explanation will be given.
Excellent - he was very responsive with questions and requests - I hope we can figure out the "rules" for using these types of batteries. I'll be pulling mine out of the bike tonight and setting it into the warm basement without a trickle charger......
[image: View Post]wera803, on 07 November 2011 - 11:29 AM, said:
[image: View Post]KPerham, on 07 November 2011 - 10:21 AM, said:
Wera Ken, when did you buy yours?
I think I procrastinated too much on the first batch, so mine came from the second group buy. I originally thought it would be open for a while and didn't realize they were only offering 10 as a group buy.
Well, that blows my theory. I guess it's just a crap shoot...
My point to Yoshi is that I use my VFR as my regular commuter, but of course I don't go to work daily. It's more of a daily use than my Dakota. Pretty sure Wera803 is in the same boat, as far as commuting goes. My VFR with the MOTY still has not failed to start or reset the display. Plus it gets regular overnight outside stays.
[image: View Post]KPerham, on 07 November 2011 - 01:43 PM, said:
Pretty sure Wera803 is in the same boat, as far as commuting goes.
Yup. I haven't driven my truck to work in probably 2 weeks. It isn't uncommon to put 5k miles on my truck in a year and 7k miles on the bike.
I think Yoshi meant the MOTY wasn't exactly intended for people like you and me that use the bike every day. It was more meant for someone that needs something smaller and or lighter. The reliability probably hasn't been proven yet for a daily rider. You just got lucky with one that hasn't had any problems. :happy:
This morning I tried something a little different. I turned the key on and watched the voltage as it would rise. Once it stopped rising, I touched the starter button for a second, then turned the key back off. I let it sit for a minute and did the same thing again. After another minute sitting, I turned it on and hit the button to start it. No reset this morning. Ultimately I don't want to have to do a sequence of events every morning, but am trying to figure out what is going on with this thing.
I asked Kaldek what he thinks of his Shorai and he has no complaints...
Hard to say for sure with such a new technology. Mine still works well in the VFR.
[image: View Post]KanadianKen, on 09 November 2011 - 07:20 PM, said:
Any word back from MOTY on the failures we're having?
Nothing yet, still trying different things to determine the problem. I haven't been able to ride yesterday or today because of rain, so troubleshooting has been put on hold for a few days.
[image: View Post]wera803, on 08 November 2011 - 08:11 AM, said:
This morning I tried something a little different. I turned the key on and watched the voltage as it would rise. Once it stopped rising, I touched the starter button for a second, then turned the key back off. I let it sit for a minute and did the same thing again. After another minute sitting, I turned it on and hit the button to start it. No reset this morning. Ultimately I don't want to have to do a sequence of events every morning, but am trying to figure out what is going on with this thing.
I tried this method again this morning and as soon as I touched the start button, the clock reset. :pissed: Ambient temp was 34F, but inside the garage was considerably warmer. I guess next up is trying 2 MOTY batteries in parallel.
[image: View Post]wera803, on 11 November 2011 - 07:54 AM, said:
[image: View Post]wera803, on 08 November 2011 - 08:11 AM, said:
This morning I tried something a little different. I turned the key on and watched the voltage as it would rise. Once it stopped rising, I touched the starter button for a second, then turned the key back off. I let it sit for a minute and did the same thing again. After another minute sitting, I turned it on and hit the button to start it. No reset this morning. Ultimately I don't want to have to do a sequence of events every morning, but am trying to figure out what is going on with this thing.
I tried this method again this morning and as soon as I touched the start button, the clock reset. :pissed: Ambient temp was 34F, but inside the garage was considerably warmer. I guess next up is trying 2 MOTY batteries in parallel.
Sounds like it suffers from intermittant Full draw cranking issue, but otherwise works if you get lucky.
Ive seen this happen with known reliable long life AGM batteries which have 47 to 50,000 miles on them, and beginning to fail.
Thats where my spec is reliablity wise(trouble free till then), parraleling two, doesnt that get expensive, kind like whats the point.
[image: View Post]spud786, on 11 November 2011 - 08:26 AM, said:
[Thats where my spec is reliablity wise(trouble free till then), parraleling two, doesnt that get expensive, kind like whats the point.
Yup. Too expensive for me. I have the 2 batteries (1 for my track bike), so I thought I might try it just to see. I won't leave it like that though. I'll go back to a stock Yuasa battery before I have a combined price battery of $270 in my VFR. Once I get it figured out, maybe Brian will just make me a deal on a 12 cell if the higher capacity battery takes care of the issues. If not, I'll go back to the stock one.
Sent an email to Brian tonight at MOTY, describing my issues. He replied asking what would I consider a fair resolution to the problem? I'm not trying to hang the guy out - I just want to know WTF is a solution? I"m guessing that Wera803 didn't get a resolution?
Love the concept of the battery - but its been a pain in the arse for the time I've had mine. Hoping that we can figure out what the problem is...
[image: View Post]KanadianKen, on 18 December 2011 - 11:52 PM, said:
I"m guessing that Wera803 didn't get a resolution?
I haven't yet, but it's not Brians's fault. I said I would wire the 2 batteries I have together and see what it does. I just haven't done it yet. Even if that does work, it's not a valid solution for me so I've been dragging my feet and keeping busy doing other things.
Edit: sorry if i should not post here, but (so mods delete as required)
I sell similar batteries. Lightweight Lithium battery sealed in a CNC machined case, made in the UK!These batteries use the same bike trickle charger as the OEM batteries. I use the same Optimate as i always have over the years.
Sounds to me as tho you do not have enough ccs to turn over on your road going vfr in the cold. Total drain yes.
The answer to my customers is either go for the slightly larger battery or run two smaller together...once the engine has turned over a few times, there is no issue that i know of.
I use one of the smallest going for my road/track VFR750. the RB120010.��I have had no problems so far this season with mine.��These batteries are sold as race/specials batteries after all, and my VFR is a special thats for sure...(but just a normal 4th gen to me!!!)
I supply mostly across Europe at the moment including a current British Super Bike race team running a few Fire blades.
Currently running an uprated lithium version on those bikes, not yet available to the public, but from the sounds of it will come in handy boosting power for the road going VFR's we have on VFRD.
Always testing and having surprises what we can get out of these batteries.
As an approved UK supplier I can provide a 20% discount to anyone who come to me thru VFRD.
Meaning my battery RB120010 would cost approx �115.
You can see the spec list on�� racebatteries.co.uk
I really should do the write up on the VFR with new pics!
The battery is so silly small, along with my newish Ally frame i must have a silly light rear end.
But i want to sort my oil and water cooling out, then refit everything before i start taking pics...
Edited by B4D80Y, 20 December 2011 - 07:47 PM.
This morning, my MOTY has failed to start the engine.
In fareness to MOTY, it has worked perfectly until now, for almost a year and I would still recommend it highly for the right application.
While reading this thread, one thing has become obvious to me - This battery is targeting the wrong market in the VFR community.
If you live in the north and are commuting throughout most of the year, MOTY may not be right for you. You want as much capacity and CCAs as possible and you also don't care so much about a few extra pounds.
If you are in the south or only ride when it's warm, and/or are looking to shave as much poundage off your ride as possible, I'd recomment MOTY.
In conclusion, I believe that MOTY had to do from the very beginning, is specify prefferred application of their product in the very first post. Assuming that they knew about it.
Personally, I've never expected this tiny battery to do everything the larger one does. So, I can't say that I am dissatisfied.
My solution is to use MOTY in the summer and YUASA in the winter - I'm not trying to scrape pegs in the winter any ways.
Personally, I've never expected this tiny battery to do everything the larger one does. So, I can't say that I am dissatisfied.))))))))))))
Id be pissed if someone sold me the product saying it was just as good, but whether I lived in the north or south , I still want maximum reliablity and trouble free operation. So degrading my expectation , just wouldnt cut it.
Thats really where it lies, are you willing to put up with the hardships , to gain a little weight loss, I say Hell no!
My MOTY appears to have failed. I'm in conversation with them now. I did buy the special charger from them, but it only gets the battery hot, up to charge quickly, then the charge drops off after removal. And, yes, I believe I'm using the charger correctly, though it's a complicated little bugger.
I think Rice has nailed it - different applications and locations will affect how the MOTY type battery performs. For me - it has caused countless clock resets, and boosts being needed to start my bike. For a street application - its been less than reliable. Would the extra weight of a YUASA 14 really matter to me - NOPE. Being the fat guy that I am - I could lose the 5 lbs this battery affords much easier and with less inconvenience than the battery provided.
My garage is in fact insulated and finished - and the battery wouldn't turn the bike over many times back in October when my old Yuasa would have had no problem.
For those that live in the south and want a high tech battery that drops some weight for you - go for it. I was stoked by the idea that it wouldn't require a battery tender - but the offset is that the bike doesn't turn over half the time...... I guess the Tender idea isn't so bad!!
Brian at MOTY has been from the start, extremely accessible and communicative. If you have questions, ask - he will respond. I give him total thumbs up for his communication. Just be sure that you are in the correct market segment - and location to use this product appropriately.
[image: View Post]04asphalt, on 26 January 2012 - 08:11 PM, said:
anyone want to sell their defective Monty?
want on for my DS bike...
I've got a second one I would sell. $112 shipped. I wouldn't really say it is defective though, just doesn't crank by VFR in the cold.
Brian has been working with me to fix the issue. So far the new solution has worked, but it hasn't really been that cold lately. I'll report back when I test it at colder temps.
I'm currently doing some work with large scale lithium batteries powering EV's (and it's all black-magic...). I am BY NO MEANS an expert on the subject matter, but at least have an appreciation for how complicated they are (not that that's much help)!
The whole loss of performance in cold climates is caused by the way the cell chemistry works. Without rambling on about boring chemistry stuff, suffice to say that high performance cells such as these work very different to lead acid cells. There are many different types of battery cells available (made from different materials - LiFePo is one example) and all of them perform differently.
One of the characteristics of lithium based cells is that the current limit of the cells, unlike lead-acid batteries, are heavily temperature-dependent. This means that when the battery cools down below "some temperature" the maximum current you can draw from them will be low. And of course, the friction on the engine is higher in the cold, further exacerbating the problem. The lower you go the more the current falls. Simple. While different cells will have different cold current limits they are all pretty close, and will all run into this problem at some low temperature. Conclusion - ANY modern high performance (lithium based) battery will suffer at low temperatures.
My intention here is not to trash these batteries, I think they're pretty damn incredible - when you do the numbers the amount of energy you get from them for their size and weight is pretty damn incredible. These batteries offer BIG gains in weight loss, for the cost of some loss of cold performance. Think of them as slicks - mega gains in (grip) performance, but only when they're in the intended operating temperature band.
As mentioned before by Rice & KanadianKen, get the right tool for the right job! (And yes, one will be finding its way into my track project shortly... ;)
End of thread · 71 posts recoveredWayback Machine snapshot 24 May 2012
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