www.worldclassbats.com

anyone have any experience with these? the price is unbeatable, but are the numbers precise? how do the compare to the promatch or other good matchers? thanks.

Danny

yea, his cells come with detailed directions on how to charge and care for them. My uncle bought three of them, and i wanted to check them out to make sure the numbers arent false. didnt want to take a chance.

looks to me that he's playing with the voltage numbers.... not running the GP's out to the end of the cycle. he's calculating them at 360 seconds. beware

Yeah, I would have to agree with Pancartom. Stick to someone with a full runout on their numbers like SMC or Pro Match. When a matcher messes with #'s like that, it just means that they can't get the #'s they should be out of the cells.

My .02 cents.

Well I bought 2 packs and I asked for the run time I was looking for and he got it for me. The numbers were true on my turbo 35 matcher. Voltage was not as important for mod 12th. As far as the voltage goes, from what I understand he was trying to give comparable voltage numbers to 3000's which max out about 360 seconds. Take it for what it is worth. I will definately by the rest of my packs from Chuck in the future. Besides that he told me if I wasn't happy with the batteries he would refund my money. You can't beat that!!!

Why are you guys saying they seem to be playing with discharge figures? They state that they all are at 30 amps and go to .9 volt cuttoff...

The numbers are not much differnt then what SMC is saying... 1.13, 1.14, 1.15.... Heck SMC is saying 1.16s are seen regularly on the high end even before the 'new shipment'.

I really don't see anything to indicate the numbers from World Class are not to be beleived.
(innocent till proven guilty and all).

tempest, i agree with the runtime issue here. i run 4 cell stock, and mod. for mod, i need packs that have good runtime. but for stock, voltage is king...... and you can't compare a cell that does NOT have a full runout on voltage. quite franky, i don't understand why CE even offers that option on their matchers.

dyno, look at the fine print on the GP3300 page. is says that they use a 360 second voltage cutoff. this means that the discharge average voltage stops calculating at 360 seconds. you get the "good" voltage at the beginning of the discharge curve, without the "bad" voltage at the end. the runtime runs out to .90 volts like everyone else does. integy does the same thing with their voltage numbers.

runtime really isnt that important for me since i run a buggy on an indoor offroad track. its a tight curved track, so the Internal Resistance is one of the most important numbers for me. the packs my uncle got were rated between 20-22, which isnt bad for stock racing. i think i might try them out.

Ah... I didn't see that 360 cutoff... The letters are lite blue on my screen and very hard to read. Previously when I looked at the fine print I didn't see that part...

You know I like the idea of using some cutoff numbers like that, but they should also give the full runout numbers as well...


Quite frankly if those numbers are at a shortende cutoff... (360 seconds) they are not very good numbers. Like I said before, SMC is reporting simmilar numbers with full runouts...

However it we all also should be aware that there are many other variables that effect discharge numbers... room temp, equipment, charge parameters, etc... so it's really not 100% possible to compare ANY numbers from one Matcher to the next... Basicly you buy the best you can afford and hope for the best.

To all that are concerned, the reason why Chuck cuts the GP's off at 360 is so that you can have/make a true comparision with the 3000 cells. Give him a call before you accuse him of playing games. You know what they say about assumptions...

Fred Hubbard

Originally posted by fhubbard
Give him a call before you accuse him of playing games. You know what they say about assumptions... I didn't accuse or assume any thing, he tells you that he manipulate's the #'s on his website! So atleast he is honest about it. :rolleyes:

I don't even think Integy tells you. :mad: Which is why I will stick to Pro Match, I trust Jeff. He also has a a money back guarentee! Plus he doesn't manipulate the numbers.

Originally posted by rowle1jt
I didn't accuse or assume any thing, he tells you that he manipulate's the #'s on his website! So atleast he is honest about it. :rolleyes:

I don't even think Integy tells you. :mad: Which is why I will stick to Pro Match, I trust Jeff. He also has a a money back guarentee! Plus he doesn't manipulate the numbers.

rowle1jt- why are you being defensive??? First of all I was mainly directing my post to panacartom, if you read his/her post you will see the connection. Athough I DON'T care for Integy management, I understand why they also choose to adopt this method of matching cells. There is sufficeint evidence to support both methods for matching cells. If we only run for 5 minutes I would want to know how my cells would perform in that time frame. Truthfully, anything after 5 min can be considered irrelevant. But then again I also want to know the max potential of my cells. Calm down pal, but hey if the shoe fits...

Further more, when you use the term manipulation in the way you have it has a negative connotation.

Ok "manipulation" = bad choice of words on my part. :cool:

But I still don't like it. I see where your coming from with the 5 minute thing, but I would still rather know the WHOLE run out. It just seems like some matchers do things to make their packs look better. Some still do 20amp #'s, fine but at 30 amps you can weed out weak or bad cells. Is a pack of GREAT 20 amp #'s with 1 weak cell gonna run as good as a 30 amp pack with no weak cells? No it won't, if they are fairly equal to begin with. Discharge rates and cutoffs are the two biggest ways for slime-ball matchers to get better numbers, Chuck is not a slime-ball. I am not saying World Class is doing this, I know a lot of people locally that I repsect highly that run World Class batteries. I know he has decent stuff, I just think he could convince more racers to run his cells if he changed to more standard and accepted matching process. :)

No, the shoe doesn't fit. Its size 11 and I wear a 13. :D

fhub.... i read chuck's disclaimer as to why he cuts off the voltage at 360 seconds, and it's admirable that he's up front about it. my question is, what do i care how his cells compare to old HV's? when i buy cells, i want to have at least a fair comparison of voltages of the same type of cells, by reputable matchers. i can't do that with chuck's cells because of the way he rates them. again, his stuff might be the total answer, but from my chair, i can't tell whether that is the case or not.

pancartom- Then say that, but don't make statements that makes this man and his products appear as if he is playing games, that's not cool. Again I think it's only fair to him and others if you say what you mean and not make a statement with so much ambiguity that also has negative undertones. That kind of stuff is damaging to his reputation. Why am I concerned, because I own a small business and word of mouth accounts for a significant part of our business and it's the same for Chuck and other companies alike. Be nice;)

rowle1jt- I can tell you and anyone that I know for a fact that Chuck is very honest about his products. On the other hand, Integy, just from my dealings with their drivers I would say that their cells are SUSPECT.

For what it's worth... SMC is saying they are getting 1.14 volt cells and 1.15 volt cells routinely with full runout. Danny also says that he also gets the ocasional few cells that go 1.16 or higher... This is even without considering some of the cells he recently obtained were up over 1.17 volts per cell... again with full run out...

So to me 1.13, 1.14, or even 1.15 with a 360 second cutoff doesn't sound all that great. Basicly you should be able to get numbers that good with a full run out.

Originally posted by fhubbard
Integy, just from my dealings with their drivers I would say that their cells are SUSPECT. Yeah I would agree, some of their products are awesome. Some aren't. Their batteries are not awesome. The Crystals are pretty good though.

Hey, some thing we agree on. :)

I set our 4-cell stock record with a 3000 sanyo World Class "Factory Boys" pack. Right now it is my best pack even better than my GP 3300's. But I ordered 2 more of those factory boys packs and they are dogs, so for me it was hit and miss. But I think the last batch were the last he had so the numbers were down a bit.

Alot of guys run his packs at our track. I have heard though he hasn't been getting real good numbers though lately but that could be all hearsay.

Dyno, you beat me to it. 1.13-1.15 voltage calc. at 360 seconds is terrible. I don't think ANY GP cell would be that bad.

I have a friend who races World class batteries and all his cells come with 5000 runout numbers. Are they accurate??? On his T-30 they're within reason.

I think the hit and miss thing is because of the relitave resistance in use. Actual resistance packs run like they're supposed to.

wow, got kinda rough in here since i last read it.:p

take it all in for what it's worth. opinions are well you know. That's why we have forums... take experiences from everyone and make your own decision. I can say that I heard bad things about Chucks batteries from people who had a partial ride with world class. Then again I've heard people sing praises about them as well. I just recycled my packs again after 3 months and by far they had more run time and voltage than any of my good B & T and Trinity packs purchased at the same time. They seemed to be well matched and retain their numbers fairly well. I attribute part of B & T's battery fall off to only being run at 20 amps... may not have weeded out some of the weaker cells. Trinity batteries were ok they fell off about 15 seconds after 3 months. $.02

Geez, everytime two people have a difference of opinion about something you people make it out to be something bad. It's like some of you are afraid of direct confrontation. Some of us believe in the idea of "Say what you mean, and mean what you say." Good grief...

fhubbard, at least we dis-agree nicely right? LoL :)

I've always had very good results from World Class packs. His numbers have gone up and down depending on what the current batch of cells were like, but they've always been very close on the Turbo 35 to the attached labels. For me it's important for the labels to be true so I know were all my packs are in compareson. A also know that the top of the line packs I buy from them are very close to the packs he gives to one of his team drivers.

Originally posted by rowle1jt
fhubbard, at least we dis-agree nicely right? LoL :)

When I think about it I don't even think we really disagreed on anything. We both know that Chuck is cutting the process of at 360. I wasn't really a disagreement, I was just trying to clarify a bit why he does it and I was just asking for a little more insight to be given to others. Heck, we really were in agreement especially about the Integy cells. It just bothers me when people make a "mountain out of a mole hill." I'm not bitter and I know that you are pancartom isn't either.:) Ahh well, what are we to do...LOL

Over the past 8 years I've ran for many different battery companies, none have been as honest as chuck at world class. If he has good cells, he will tell you, If he has junk, he will tell you. He won't send junk with good labels, like alot of other companies do. His cells always cycle at what is on the label. World Class Batteries are for real. Not sure if it's true or not, but I "heard" through the grapevine that SMC uses a 360 sec cutoff as well.

3.60 what??? :confused: We were discussing how he stops reading voltage at 360 seconds.

I'm not exactly sure "what" it is about SMC that you heard.....

thats what i meant, 360 sec cutoff.

Integys packs work amazingly, since their numbers arent real. Well, they are real if you like a 20 amp discharge with 325 sec or so of cutoff. Ive doubted their lables ever since i started to use them. Ive sold all but one of their packs, and use a different matcher now.

They have some good products, and then some bad ones. You know i could make a KILLING off their stuff if I sold it at the retail price, but they wouldnt be too happy.

Right now Im using KMR batteries, and ive been pleased with the cells and the service.

couple things i can say,when i call chuck its not how much you wanna spend or gotta go.he'll spend time talking to you about more then just batts.he's down to earth and since running his 3300gp's we couldn't be any happier.he may not have the most flashiest adds in the magazines or stickers all over rc bodies but his cells ROCK!!

Originally posted by hypercraig14
couple things i can say,when i call chuck its not how much you wanna spend or gotta go.he'll spend time talking to you about more then just batts.he's down to earth and since running his 3300gp's we couldn't be any happier.he may not have the most flashiest adds in the magazines or stickers all over rc bodies but his cells ROCK!!

Amen...

on the world class website it says that the 3300hv have 5000 cutoff, so i dont think he is trying to make the numbers look better.

Originally posted by Maverick Racing
on the world class website it says that the 3300hv have 5000 cutoff, so i dont think he is trying to make the numbers look better.

Look at the bottom on this page, we were speaking about the GP's:

http://www.worldclassbats.com/psmh.htm

Hmmm, I hadnt noticed that. He does all the other cells at 5000 seconds except the GPs...Im going to send an email in the morning to find out why.

Originally posted by Maverick Racing
Hmmm, I hadnt noticed that. He does all the other cells at 5000 seconds except the GPs...Im going to send an email in the morning to find out why.

It's your prerogative, but he does mention why in the little informational. It's to compare them (GP's) with other 3000's (SMH, UMH, HV).

I have to say I don't know too much about the battery matching situation over there now, but I do have to say Chuck is a good guy and has great stuff. At the time, I bought 2000's in late 1997/early 98 and I just retired them at the end of the last season! I set 2 stock track records, one in 97 and the other in 2000 and they weren't even the "best" or "most expensive" cells he had. He hasn't steered me wrong yet, I plan on picking up some GP's from him soon.

My 2 cents!:)

Well like I say, there are many variables that make 'numbers' vary from one matcher to the next. Most likely there may even be some variation within one mathcers own numbers due to enviornmental and/or equipment changes...

At some point it's probably not worth trying to compare numbers from one matcher to another. Just buy the best you can afford. Eventualy you'll find some place you trust and gives you good value.

can i hear an amen????

AMEN

:)

You guys are funny, I like it...LOL:thumbsup:

From www.worldclassbats.com
All voltage are calculated at 360 cutoff so comparison is equal to Ultra and Sanyo HV cells.

There it is, no need for anyone to call him. I don't like it, but I think we have all been over tha before. :D LoL

.

Very cool. :)

way to go, chuck..... that's the way it should be

I run stuff from World Class and I own a TurboMatcher 35. He sells the most honest cells I've tried (matching labels to actual TurboMatcher results). Should he run out 3300's past 360 seconds (for the purpose of reporting voltage)? YES, he should. I'm pleased and he's treated me well. I buy all my cells from him, nothing is for free (sponsorship). Now if I only had the rip of "pancartom"!-Pete

you're killing me (wanna try my hobby shop bought SMC's???) :dude:

So I'm a little late with my .02 on this, but, Chuch & I had a conversation and I kidded him about his new address since I last bought batteries from him, I told him that he must be making a killing off of us poor rc racers to move into a new house, his reply was to the effect that it was his wifes career that was to thank for the new house. So you see, Chuck is a very down to earth, honest guy, if only I could get him to pay my phone bills after I talk with him for 2 hours at a time.

I will say this I have been using world class batteries since I started racing seriously in 1997 YOu can fuss and fight about those numbers and how the matchers come up with them all you want to, but I know this I have a HUGE box of trophies and ribbons and any other awards tracks give out As well as been in the top 10 and top 5 on the mars series (for everybody from michigan) every year I have raced on it. So I will run nothing but World Class until there is no more World Class.


THANKS CHUCK.