Anyone using A123 batteries? - Page 2 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 06-05-2008, 11:29 AM   #11
Ian Barnett
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Question Move to Li Fe?

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My son currently uses NIMH batteries in his XXX-T truck and XXX buggy.

We are interested in moving to Lipo or A123 to get better run times. He races at Sid's and they increased the lengths of the mains this year.

I am looking at a 2s2p A123 configuration which will give us 6.6v and 4600Mah.

Currently he is using brushed motors but wants to move to brushless later in the season or next year.

What do you think? Should we buy A123 or Lipo?

Any guesses the runtime from the 2s2p A123 cells?

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Old 06-05-2008, 12:25 PM   #12
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get them in your hand b4 u decide . i am guessing the 123 cells wont work , but everyone thinks u can make anything work .
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Old 06-05-2008, 03:31 PM   #13
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A123's aren't really better for runtimes.. their odd shape and size is one of their down falls... but man.. they charge super super fast... in 10 minutes if you want to... I use it for racing, and I love it...

go Lipo.. unless you want awesome cells for bashing... then do the A123s..
The Power of BRUSHLESS!!!!!
1HP (electric) = 746 Watts.
Everything is brushless!!
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Old 06-06-2008, 07:52 AM   #14
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Ya, I've seen them in action and they work great. They are an odd shape so you have to have the right type of vehicle to fit them in (I know it's already been said).

I'm just a basher, but I choose LiPo based on size, shape and capacity. I get better runtimes and power, although I'm sure the A123 cells are safter to use. Weight? I don't know how much heavier they are but the high-capacity LiPos are on the heavy side as well.

The only reason I could see going with A123 is for safety or charge time. If you don't feel comfortable with LiPo for safety reasons, A123 is the alternative.
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Old 06-06-2008, 09:34 AM   #15
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For the application that you are going to be using them for I would suggest LiPo.
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Old 06-09-2008, 10:31 PM   #16
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i vote for lipo as well... the lower pack voltage of the 123 will require a faster motor as well...
Abiye Birku
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