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e-Electric Batteries & Chargers > AirThunder 5000mah Testing Begins
 
 
Air_Alpheus
Veteran
Location: Trafford,PA - USA

My Posts This: Topic  Forum		Today I received my AirThunder 5000mah 6s1p pack, it is on the charger as I write this. It has the same balancing port as the Align 6S packs and fits on the Trex 600 perfectly. It is a little heavier than the TP packs but the extra weight balances the 600 perfectly. I will be shooting some video and posting some flight data tomorrow. I cant wait...



Its What I dont Say You Should Be Worried About...
Bruce A Aunkst III
Team AirThunder
07-22-2007 02:17 AM
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Air_Alpheus
Veteran
Location: Trafford,PA - USA

My Posts This: Topic  Forum		1st Flight Video

Well we tested the battery on Sunday and it worked flawless. I am really suprised how this battery performed on its first flight. ( no breakin ) Its pretty weird seeing a 600 run until it just hits the cutoff and falls. This battery has allot of punch right out of the box. Im pretty excited to do some further testing on this battery. The Eagle Tree data will be posted as soon as I get it working on my new computer, its having driver issues with Windows Vista. I had to post the video using Google because the file was to big for YouTube. Stay tuned for further testing results...

http://video.google.com/videoplay?d...836460021854813

Its What I dont Say You Should Be Worried About...
Bruce A Aunkst III
Team AirThunder
07-24-2007 03:42 AM
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lsnover
Senior Heliman
Location: Bath, PA

My Posts This: Topic  Forum		Looks good so far.

How much did you put back into the pack after that run?

How much does your TP pack weigh compared to the AP pack?

Excited to see how these work out.

Regards,
Lee
07-24-2007 07:18 PM
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Air_Alpheus
Veteran
Location: Trafford,PA - USA

My Posts This: Topic  Forum		AirThunder pack ways a bit more than the TP pack and I put 4890mah back in after that flight...

Its What I dont Say You Should Be Worried About...
Bruce A Aunkst III
Team AirThunder
07-24-2007 08:39 PM
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lsnover
Senior Heliman
Location: Bath, PA

My Posts This: Topic  Forum		Can you be a little more specific on the weights?

Pretty cool on the discharge! ;-) Now will they LIVE after that kind of abuse is the question!

I have a TP 4500 pack and it's quite a bit smaller/lighter then the specs on the AP Pack. I know the 5000s weigh a bit more. If the AP Packs weigh less then the comparable FP/TP 5000s that would be great.

Thanks,
Lee
07-24-2007 09:18 PM
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zetex
Senior Heliman
Location: Preston Lancashire UK

My Posts This: Topic  Forum		really liking the sound of these. i'm in the market to by a couple of packs. may just hold out a little longer and see what happens..

are these packs available in the UK yet?? if so is there a price??

oh... made a nice change to see a video with someone actually talking rather than just playing music, much better...

thanks alot keep the info coming

z
07-24-2007 11:34 PM
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Air_Alpheus
Veteran
Location: Trafford,PA - USA

My Posts This: Topic  Forum		I have been testing AirThunders 2200mah pack that I have 103 cycles on it and it was drained down to 0 volts every 10th cycle and over discharged on every cycle and it still works perfect...

Its What I dont Say You Should Be Worried About...
Bruce A Aunkst III
Team AirThunder
07-25-2007 12:33 AM
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lsnover
Senior Heliman
Location: Bath, PA

My Posts This: Topic  Forum		Air_Alpheus:

Do you have an exact weight difference between the TP and AP 5000 packs?

Thanks,
Lee
07-25-2007 12:40 AM
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zorba
Senior Heliman
Location: Montreal, Quebec, Canada

My Posts This: Topic  Forum		They are goin on sale tonight is US around 9 CDT.
The price is $266.00 USD for the 6S and $237.00USD for the 5S both 5000mAh.
I got mine coming.
I got the 3s and 2s and performed excellent. I use the 2s for the electronics and the 3s for my 450.
zorba

Never too old to learn...and never too young to do it again. And the ground always wins..
07-25-2007 12:52 AM
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steve9534
Key Veteran
Location: yakima, wa.

My Posts This: Topic  Forum		Batteries

What was the voltage at the end of the flight and how much voltage variation between cells? What is the weight of the pack in grams? You've stated it's both heavier and lighter than the TP pack. Can you tell us the actual weight? Is there any gaurantee of longevity running it to basically 100% capacity on every flight? I can get about 5 minutes of flight from the TP Extreme packs and put 80% back in, I would expect if I ran it to the bitter end I could get close to 6 1/2 minutes run time, too. It's just that I could only do it once. I'm curious if the manufacturer is willing to put any kind of gaurantee behind the claims. Where can I buy one? Thanks. steve.
07-25-2007 01:12 AM
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lsnover
Senior Heliman
Location: Bath, PA

My Posts This: Topic  Forum		Steve:

They don't recommend purposely abusing them. I.e. you should not regularly run them down to 100% empty. Just if you push them once in awhile, it's not going to ruin the battery.

Regards,
Lee
07-25-2007 01:57 AM
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SBH
Heliman
Location: Coralville, IA - USA

My Posts This: Topic  Forum
Quote 
Is there any gaurantee of longevity running it to basically 100% capacity on every flight?

Our specification is 2V per cell minimum on our 2S, 3S and 4S packs and 2.5V minimum per cell on our 5S or larger packs. Please observe these specification when using our packs. We cannot guarantee anything if the specification is not followed. Basically you can fly your aircraft until you feel the power start to diminish, or rely on the LVC on your ESC. There is no need to worry about the 80/20 rule with our pack, but our packs are not indestructible.

If you use our packs on cars or boats, make sure you use LVC.

Thanks.

Regards,
Barry H.
AirThunder
07-25-2007 03:16 AM
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Air_Alpheus
Veteran
Location: Trafford,PA - USA

My Posts This: Topic  Forum		The voltage was ran down to around 15.6 volts at the end of the flight in the video.

Its What I dont Say You Should Be Worried About...
Bruce A Aunkst III
Team AirThunder
07-25-2007 03:11 PM
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zetex
Senior Heliman
Location: Preston Lancashire UK

My Posts This: Topic  Forum		what can these packs be charged (rate) at safely??

might order a couple of packs of these, will anyone be selling these in the UK. saying that i dont mind ordering from the US...

Thanks alot

Z
07-25-2007 03:31 PM
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Air_Alpheus
Veteran
Location: Trafford,PA - USA

My Posts This: Topic  Forum		A friend of mine has been charging his 2200 packs at 2.5c with no ill effects at all, so its your call...

Its What I dont Say You Should Be Worried About...
Bruce A Aunkst III
Team AirThunder
07-25-2007 04:13 PM
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Jason Merkle
Senior Heliman
Location: Las Vegas, NV

My Posts This: Topic  Forum
Quote 
Our specification is 2V per cell minimum on our 2S, 3S and 4S packs and 2.5V minimum per cell on our 5S or larger packs. Please observe these specification when using our packs. We cannot guarantee anything if the specification is not followed. Basically you can fly your aircraft until you feel the power start to diminish, or rely on the LVC on your ESC. There is no need to worry about the 80/20 rule with our pack, but our packs are not indestructible.

If you use our packs on cars or boats, make sure you use LVC.

Thanks.

Regards,
Barry H.
AirThunder

Hello Barry,

Can you please explain why it's possible to discharge the cells in your 2S-4S packs to 2.0V each but the cells in 5S+ packs to only 2.5V each? Aren't the cells in a 2S 5000mAh pack the same as the cells in a 5S 5000mAh pack? If so, why can the cells in the 2S pack be discharged lower than the cells in the 5S pack?
07-25-2007 04:14 PM
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lsnover
Senior Heliman
Location: Bath, PA

My Posts This: Topic  Forum		Specs say not to charge faster then 1C. If they will stand up to faster charging using a high quality charger and balancer like the TP1010, I'd like to hear from Airpower on that.

Thanks!
Lee
07-25-2007 04:44 PM
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SBH
Heliman
Location: Coralville, IA - USA

My Posts This: Topic  Forum
Quote 
why it's possible to discharge the cells in your 2S-4S packs to 2.0V each but the cells in 5S+ packs to only 2.5V each

Our single cell can in fact be discharged to extremely low voltage. As the cell count in a pack increases however, so does the complexity of the dynamics between cells. When you discharge a pack to low voltage, the dynamics can cause the polarity of one or more cells in the pack to be reversed at times. That's when you will ruin the pack. We must be more conservative as the cell count increases. Setting a higher minimum discharge voltage will give you the safety cushion needed for higher cell count.

Hope this answered your question.

Thanks.

Barry H.
AirThunder
07-26-2007 03:41 AM
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OICU812
rrProfessor
Location: Grande Prairie, Alberta, Canada

My Posts This: Topic  Forum		I just do not understand the mentality behind running any model till it barely will sustain lift... I realize the point behind saying this in all being able to discharge the battery that low. However in logic just because you can does not mean it is smart to do for several other reasons, mainly safety and properly being able to control the model upon decent is something to always keep in mind.

...Once upon a time there were Nitros, flybars and frequency pins...
07-26-2007 07:49 AM
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raptor50luvver
Veteran
Location: southampton UK

My Posts This: Topic  Forum		I think the point is that these Lipos appear to be a bit more durable than whats currently available,it is a bit of a bind having to stick to the 80% rule and these packs just give a better safety margin..


I am quite happy on the odd flight to fly around for a good 5 to 6 mins and then do some hovering around until it dies off


I will be watching this thread with great interest and i hope they hold out as well as the 2200`s seem to have


Please can we have regular updates,the odd vid and data charts...

Cheers
07-26-2007 12:14 PM
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e-Electric Batteries & Chargers > AirThunder 5000mah Testing Begins
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