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RE: A123Racing Battery Questions - 9/30/2006 1:48:40 AM   
Nightshift


 

Posts: 12
Joined: 3/2/2006
From: , QC, CHILE
Status: offline
quote:

ORIGINAL: elhepilot

A123Racing site still does not accept Canadian orders. When should I try again?


Hi!
Same thing for me ,I tryed yesterday to order,and it look like it did'n work

can we order by phone?

Nightshift

(in reply to elhepilot)
       Post #: 26

RE: A123Racing Battery Questions - 9/30/2006 8:58:55 PM   
ehart


 

Posts: 56
Joined: 11/6/2004
From: Burlington, VT, USA
Status: offline 		The Xtrema charger looks very nice, but does not balance cells. Are others aware of general-purpose chargers that handle the A123 cells *and* offer balancing (either built-in, or through an integrated balancer attachment)?

(in reply to Nightshift)
       Post #: 27

RE: A123Racing Battery Questions - 10/3/2006 8:53:36 PM   
A123 Racing


 

Posts: 101
Joined: 8/25/2006
From: Hopkinton, MA, USA
Status: offline 		Hello All,

The Canadian Shipping has been updated and is working properly. Please make sure to choose ups to Canada as your shipping choice.

Ehart,

We currently offer a charger that is capable of charging a 3S pack at 10 amps. This gives you a 15 minute charge time. It also balances the pack on every charge. If you are buying loose cells you can purchase the balancing wires to solder on so that your custom packs can be used with the charger. Visit http://www.a123racing.com/html/soniccharge.html to check it out.

Looking forward to more questions,

Brian




(in reply to ehart)
       Post #: 28

RE: A123Racing Battery Questions - 10/4/2006 11:37:46 PM   
tmenet


 

Posts: 18
Joined: 11/25/2004
From: Riverview, FL, USA
Status: offline 		ehart,

There is an integrated balancer in the works for the Xtrema. That is one of the functions of the expansion port. We have found that using a separate balancer before and after charging works well with non damaged cells. Our experience has shown that if the cells are in good shape and they start in balance, they will most likely end up in balance. The A123 cells are awesome this way when used with our charger.

Albert


_____________________________

Albert

(in reply to A123 Racing)
       Post #: 29

RE: A123Racing Battery Questions - 10/6/2006 7:42:46 PM   
elhepilot


 

Posts: 12
Joined: 12/18/2003
From: Espanola, ON,
Status: offline 		This Canadian successfully place his order with A123 Racing. Thanks for the work on your site.

(in reply to tmenet)
       Post #: 30

RE: A123Racing Battery Questions - 10/8/2006 1:42:02 PM   
Nightshift


 

Posts: 12
Joined: 3/2/2006
From: , QC, CHILE
Status: offline 		Happy Canadian!
Just receved my kit yesterday!
got to try that next week end for racing
Just one bad new for Canadian byer UPS ROB ME $83.00 OF ALL KIND OF EXTRA FEE FOR DELEVERING TO MY DOOR
Had that to the $160 00 for the kit it end up very expensive .
But new thecnologie must come with a prize.

Nightshift

(in reply to elhepilot)
       Post #: 31

RE: A123Racing Battery Questions - 10/8/2006 8:25:39 PM   
dbgantt


 

Posts: 5
Joined: 8/6/2006
From: Hillsborough, NC, USA
Status: offline 		Hi Brian,

Any plans in the works for M1 cells with greater mah capacity? The M1 2200 mah cells are great but I would prefer not to go to parrallel configurations if possiible for my airplanes. While a parrallel configuration doubles my run time it put me back in the NiCad weight neigborhood. It also complicates chargin a bit. I currently have two 6 cell series packs (6S1P) and one 4 cell series pack (4S1P) and fly .25 and .40 sized RC electic aircraft. A 3000 mah M1 would be AWESOME!


Keep up the good work!

Dana

(in reply to A123 Racing)
       Post #: 32

RE: A123Racing Battery Questions - 10/14/2006 8:48:21 PM   
747-RCU


 

Posts: 63
Joined: 7/7/2002
From: Mississauga, ON, CANADA
Status: offline
quote:

ORIGINAL: A123 Racing

Hello All,

The Canadian Shipping has been updated and is working properly. Please make sure to choose ups to Canada as your shipping choice.


Looking forward to more questions,

Brian






If you use UPS for shipping to Canada, I can Guarantee you, that you won't be getting many Canadian orders. They UPS charge an enormous amount of brokerage fee. As canadians, we have to pay 14% on anything bought from US, on top of that UPS sticks their horrendous brokerage fee. I would advise using United States postal service, excellent and fast service, cheap rates and the brokerage fee we pay through post is only $5.

I personally would like to buy them, but I avoid buying from companies who insist on using UPS for shipping.
Thanks
Maqsood

(in reply to A123 Racing)
       Post #: 33

RE: A123Racing Battery Questions - 10/15/2006 6:14:27 PM   
elhepilot


 

Posts: 12
Joined: 12/18/2003
From: Espanola, ON,
Status: offline 		I can only agree. I had to pay an additional $65 Cdn to ransom my order!

(in reply to 747-RCU)
       Post #: 34

RE: A123Racing Battery Questions - 10/16/2006 5:09:48 PM   
A123 Racing


 

Posts: 101
Joined: 8/25/2006
From: Hopkinton, MA, USA
Status: offline 		Hello All,

Dana, there is not currently anything scheduled for a M1 cell with more capacity, Sorry. However we are currently working on a smaller cell so if you have some smaller planes that you have note been able to fit our batteries into yet you have that to look forward to.

Our Friends to the North,

Does UPS charge you this when it is delivered? We have shipped four orders to Canada from A123Racing and so far the UPS charges have been $18, $14, $14, and $12. Perhaps you are having next day air quoted?

Please send me some more information so I can figure this out.

Brian



(in reply to elhepilot)
       Post #: 35

RE: A123Racing Battery Questions - 10/17/2006 6:49:49 AM   
psarrazin


 

Posts: 1
Joined: 12/3/2005
From: Palo Alto, CA, USA
Status: offline 		Hi Brian,

You recommend against soldering the cells.
The development kits offered on A123racing are single tabbed cells .
What's the recommended assembly procedure for these kits?

Do we need to get the double tabbed cells from the main site to solder cells together?

Thanks
Philippe


quote:

ORIGINAL: A123 Racing

....You should definitely not butt solder the cells end to end. Applying the heat from the soldering gun directly to the cell is very bad for it. When the heat is applied the electrolyte inside the cell actually boils creating a gas behind the anode or the cathode. This will degrade the lifespan of your cell dramatically. ...
Brian


(in reply to A123 Racing)
       Post #: 36

RE: A123Racing Battery Questions - 10/17/2006 3:42:20 PM   
A123 Racing


 

Posts: 101
Joined: 8/25/2006
From: Hopkinton, MA, USA
Status: offline 		Hello Philippe,

That is correct you should definitely not be soldering directly to the cells, you need to solder to the tabs. The developer kit cells on www.a123racing.com have one small tab on each end. These tabs make it very easy to solder the tabs in series or in parallel. There are instructions included when you purchase the cells telling you how they should be charged and how they can be wired up with our optional balance connectors so that your pack will work with our 15 minute Sonic Charge system.

Please let me know if you have any other questions.

Brian



(in reply to psarrazin)
       Post #: 37

RE: A123Racing Battery Questions - 10/18/2006 2:37:21 AM   
Nightshift


 

Posts: 12
Joined: 3/2/2006
From: , QC, CHILE
Status: offline
quote:

ORIGINAL: A123 Racing

Our Friends to the North,

Does UPS charge you this when it is delivered? We have shipped four orders to Canada from A123Racing and so far the UPS charges have been $18, $14, $14, and $12. Perhaps you are having next day air quoted?

Please send me some more information so I can figure this out.

Brian





Hi Brian!

I'll come back with more info about the billing with UPS next time ,for now that bill is not with me tonight

Just to let you and every body know that up to now i love those battery.
When racing with 2S1P/2300 m and it go as expected

Only problem with my T4 is i got to work a new set up now for compensate for the light weight.

Nightshift.

(in reply to A123 Racing)
       Post #: 38

RE: A123Racing Battery Questions - 10/20/2006 8:10:22 PM   
SS Pede



Posts: 306
Joined: 2/2/2006
From: Reading, MA, USA
Status: offline 		Hey, just found this forum but I've been following this technology on a different one. I am currently debating whether or not to purchase a123 batteries. A couple things:

1. As mentioned above, I'd also love to see higher capacity cells. I love long run times so the more mAh the better! Without the turbo module the 4600 pack will no doubt provide very good run times, but if I decided to boost the voltage I would be back down in NiMH range.

2. Size is a bit of a concern, since I want to stuff a 2s2p pack into a Stampede's battery tray. I'd have to do some grinding. If anyone has tried to fit a 4600 pack in a Stampede, let me know what mods are required. I'd rather have a bigger pack with more run time than a small pack with less run time. Of course, a small pack + big run time setup would be great!

3. Batfish - I'm intrigued by your recommendation to gear up a couple teeth to regain the top speed of NiMH. It would be nice to do this and not have to boost the voltage. More run time and less weight that way!! But what about putting strain on the motor? Isn't it possibly that gearing up would overheat my SS5800 system in my Pede? This is no race truck...it has big rubber on it and isn't all that light compared to a TC3-O. I'd love to gear up to gain speed as long as my low end power stayed the same, but normally this would put me out of the SS5800's comfortable range. Any thoughts?

Brian, thanks for hanging out on the forum!

(in reply to Nightshift)
       Post #: 39

RE: A123Racing Battery Questions - 10/21/2006 8:36:14 PM   
Tipover


 

Posts: 429
Joined: 6/24/2002
From: Outoftown, WI, USA
Status: offline 		Hi all,

I've posted this over in another forum but thought some here might find it usefull. Brian said it was ok to post pictures of planes flying on these cells so I've included a couple. I've been testing out a nearly stock Dewalt 10S1P pack in my H9 Funtana 90S. Motor is a Hacker A50-L 16 turn outrunner with a APCe 20-8 prop. Pulling 50 amps peak at 26 volts under load. This is giving around 1300 watts total power. Airframe weighs 9.5 lbs all up, so this is only around 135 watts per pound. This plane hovers and waterfalls very good with this power ratio. In theory I should be able to prop up a bit and get to 60 amps peak. I've had no need for more power as of now Only 13 flights so far as the weather has been a bit crappy(transitioning from fall to winter in WI). I've been charging with the Extrema to 3.6v per cell, at a 4 amp charge rate. This refills the pack with 2200ma in 35 minutes. Consistantly getting 7 minutes plus doing lots of aerobatics and 3d flight. The cells have been staying balanced with no help thus far. If the need for balancing arrises, I'm proposing to plug the stock Dewalt module with the two 5 pin connectors(shown with the pack in pictures) into the stock pack(with the addition of a Deans connector on the battery wires)and charge the pack through the Stock Dewalt charger that is available on ebay for around $50. This should charge and balance the pack as a stock unit. I believe the balancing is done by the charger via the multi pin connector on the stock pack.

Kevin