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HomeRC & Power✈️Aircraft🚁Helicoptere-Electric Battery-Charger-pSupply › Thunder Power says 820CD and Gen 6 65C Packs packs coming soon..
12-23-2010 06:15 PM  9 years ago
Chuck Bole

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Tulsa Ok. U.S.A.

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They are matched and assembled in LasVegas Nevada USA. They also now offer a 2 year damage 50% replacement warranty from date of purchase.
As well as the 50% replacement on select competition's packs that are not performing for you.

I'm not privey to where the cells come from. But they are rated at different Mah than other packs.. 3800 as opposed to 3700. 4400 as opposed to 4000.

chuck
Team Synergy Field Representative / Rail Blades / Scorpion Power Systems / HeliLids
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12-23-2010 06:17 PM  9 years ago
kenneth8

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USA

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packs assembled in USA, cells made over seas.
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12-23-2010 06:46 PM  9 years ago
thenewguy

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Corvallis, Oregon Where there is liquid sunshine!

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Interesting, so the cells are made over seas.

So what makes their cells better? I have no problem paying the money as long as I know why the product I'm buying is better. The technology behind it. Not just because someone said so. So what is the technology behind their individual cells that make them better over the competition?

Do their cells come form the same plant as their competitors?

I am planning on stepping into the electric world here soon and am researching out batteries and other stuff to make this happen.

Thanks,
Chris
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12-23-2010 07:19 PM  9 years ago
Futura SE

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Fayetteville, Arkansas

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I used to chat with Charlie Wang from TP quite often. This is what they used to do and I assume is still their procedure.

TP cells are made overseas as are ALL lipos. US is way too strict legally for a lipo plant to exist here.

They are all assembled in Las Vegas and TP prides itself on cell matching. Each packs cells that are chosen are very close to the same voltage. TP packs are assembled and matched in the US by US workers if that matters to you and it sure doesn't offend me.

TP either does or works with cell manufacturers to develop new cell chemistry's like the new 65C cells.

I am hard on TP about prices as they have a 5 year old pricing structure as I want to see them competitive as I have flown nothing but TP for over 5 years and have had excellent service and support and not to mention performance, but competition has leveled the playing field in my opinion now performance wise.

What TP has going for them is the US assembly and service which is very good.

Norman Ross Jr.
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12-23-2010 09:27 PM  9 years ago
Band1086

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Kennewick, Wa. USA

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My experience with TP was this:
I tried some previous gen batts, they weren't very good( I thought the FP's were better), but when the 45C's came out, I got a set of 5000 6S for my 700's. They are the most impressive batteries I've ever had. They always came in cool, even in high ambient temps, so they could be recharged right away. They can be charged in 10 mins or less, but the most impressive thing that I found about them was that at 3.7v/cell discharge, they would take back 4250ma. That shows me their capacity was slightly under rated. I've never seen that in any other brand batt.
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12-23-2010 09:41 PM  9 years ago
3Dmuse

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Ontario, Canada

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My experience with TP was this:
I tried some previous gen batts, they weren't very good( I thought the FP's were better), but when the 45C's came out, I got a set of 5000 6S for my 700's. They are the most impressive batteries I've ever had. They always came in cool, even in high ambient temps, so they could be recharged right away. They can be charged in 10 mins or less, but the most impressive thing that I found about them was that at 3.7v/cell discharge, they would take back 4250ma. That shows me their capacity was slightly under rated. I've never seen that in any other brand batt.
No, that shows they hold the voltage better than previous generations. All "modern" brands, HobbyKing included, are almost depleted at 3.7V/cell rest voltage. One of the differences between brands is how quickly the voltage drops under load, thus the difference in perceived performance.
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12-23-2010 09:48 PM  9 years ago
Band1086

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Kennewick, Wa. USA

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No, that shows they hold the voltage better than previous generations
They do hold their V better than previous gen batts...way better!
But why couldn't they do that while taking back 4000 ma instead of 4250...not sure what your trying to say.
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12-23-2010 10:04 PM  9 years ago
Al Austria

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Sacramento, CA - USA

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They can be charged in 10 mins or less, but the most impressive thing that I found about them was that at 3.7v/cell discharge, they would take back 4250ma. That shows me their capacity was slightly under rated. I've never seen that in any other brand batt.
The first problem with this is that you're gauging when to terminate your flight based off of resting voltage, when you SHOULD be basing it off mAh drawn. As barzaun states, voltage characteristics of the discharge curve are going to be different.
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12-23-2010 10:23 PM  9 years ago
Band1086

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Kennewick, Wa. USA

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Regardless, everywhere that I've looked says low voltage is what hurts batts regardless of ma left, even though I understand the 80% rule. For instance, I've had batts that would be at 3.7V/cell at rest but only take back 3800...they seemed to be over rated, somewhat disappointing compared to TP's.

Edit: I'm talking about all 5000 6S packs.
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12-24-2010 07:43 PM  9 years ago
Futura SE

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Fayetteville, Arkansas

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ThunderPower 820CD Almost Here

Advantage Hobby

Looks as though the face has been updated and the banana jacks are now on top rather than the sides and it is now full 28v capable rather than the 16-18v originally. Looks like somewhere along the line TP decided to overhaul it as it was not going to be competitive as it was. This definitely is at 400W per port and it will do both at same time.

Me like. Me want. Me buy one. Not bad on price either as the TP 1010C was originally $300 with balancer and I paid that and it was/is worth every penny.

Norman Ross Jr.
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12-24-2010 10:27 PM  9 years ago
Supercoolheli

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Dallas, TX

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ok so what's the real price on it? haha i know that a discount of over $100 isn't really possible...i bet retail is closer to $250, but maybe i'm just hoping
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12-25-2010 02:10 AM  9 years ago
Futura SE

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Fayetteville, Arkansas

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That is a good price. Every place else wants $269.99 or more.

Norman
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12-25-2010 02:15 AM  9 years ago
Supercoolheli

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Dallas, TX

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yeah, i will definately be saving up for this one
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12-31-2010 08:02 AM  9 years ago
OICU812

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Edson, Alberta, Canada

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If they are made as their 1010s were and I'm sure they will be that there would be even a good price. The ol' 1010s really are bulletproof and been my most reliable bunch since in hobby....Once upon a time there were Nitros, flybars and frequency pins...
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12-31-2010 08:09 AM  9 years ago
Futura SE

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Fayetteville, Arkansas

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I use mine every time I fly and mine is almost 7 years old. It has been out that long. Bulletproof. Never missed a beat.

There really are only a handful of things in the hobby that have been that good and lasted that long for me. My JR 10X I flew for 8 years!!

Norman Ross Jr.
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12-31-2010 02:14 PM  9 years ago
4cyclic

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Montreal, Can. and northern Vermont

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100% agree on 1010c. Best and most reliable charger in my experience for last 6 yrs..

Just a bit underwhelmed with 820cd 400w per side, that's 16 amps for a 6s pack. Even if you plug a 12s split pack on both sides, that's 32 amps
versus the PL8 at 40 amps. Good but not a leader here.
Life is meaningful flying helis.
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12-31-2010 04:28 PM  9 years ago
Band1086

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Kennewick, Wa. USA

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Sorry guy's, but I stopped using 1010's a couple years ago, too slow with more modern batts. If want to charge @ 6C on my 5000 6S 45C's, I have to have 2X icharger 3010B's or 2X PL8's. After the 1010's, the HYP DUO's came in to play for me, used them for a year plus, but even with a dual port, they are too slow. I now have 2 3010B's and 1 PL8, and they are the ticket for me. I am kinda surprised TP is not upgrading to at least 500-600 watts per port with their new charger just to stay competitive. I would love to see a dual port machine that would put out 1000W and 30A per port! You'd need a 2000W /24V power supply and a 2000i gen to push one charger...
What I have is working very well for me though...
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12-31-2010 06:39 PM  9 years ago
Futura SE

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Fayetteville, Arkansas

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I will say this. I spoke to TP and asked same question and TP has built prototype dual port chargers that were 1,000 watt. They cost too much to make and bet you didn't think, but I bet your wall outlet you use is a 20A outlet. It couldn't power the thing wide out.

They are just impractical as much as I'd like to have one too.

99.9% don't charge 6S 5000's at 6C. No market for it. As much as we like to think people want a 2000 watt charger, most couldn't even scratch what it could do.

Norman
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12-31-2010 06:55 PM  9 years ago
rexxigpilot

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rexxig2@comcast.net

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Yep, Futura SE is correct. you need about 24A from a 125V outlet to power a 2000W charger with a good PFC power supply. Even with a vey efficient Meanwell PS and a 90% eff. on the charger, you will need 18.7A from the outlet.

Did anyone notice that Progressive RC has the Cellpro PL8 ($229) and adapters on sale until midnight. I picked up one myself.
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12-31-2010 08:21 PM  9 years ago
Band1086

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Kennewick, Wa. USA

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Good discussion guy's thanks for the thoughts. I was sort of just expressing certain thoughts as they came in my last post...hope you don't mind. I have never pulled the wall socket to that extent. BTW my wall sockets have only 15A breakers(15A X 120V = 1800watts) but I've never even popped a breaker on that. I have a MW RPS-1500 24V that is set to 25.2V and it will push 60A @ 25.2V into the chargers, as I've done it several times. However, I usually charge at the field with my Honda 2000i gen which will only give me 1600W of continuous power. So, with that, my MW PS and 2X 3010B's, charging 2 TP 45C batts @ 6C at the same time...well I set both chargers at 30A, but as the voltage comes up in the batteries, the gen will kick out. So, in experimenting, the gen won't kick out through the whole 10 min- charging session if the chargers are set at 28A each, So, it's a hair under actual 6C charge rate on the 5000 6S X 2, but 56A @ up to 25.2V being pushed into the batts by the gen is pretty darn good. BTW, I do have a Honda Companion 2000i also, which will give a full 3200W of continuous power when tied to the other one, but I don't take it to the local flying site just to get 2 more amps per charger. But I do take it to the several FF that I'm able to drive to each year...I posted it before, but here's a pic of the PS and 2 3010B's with 2 TP 45C's... Thanks again for the good discusion.

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