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Old 10-17-2010, 07:06 PM   #1
herrhelmet OP
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Talking Ultra Light Batteries

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herrhelmet screwed with this post 11-26-2012 at 10:58 AM
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Old 10-17-2010, 07:46 PM   #2
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Nice Job Herr! A123 motorcycle batteries are a fantastic idea.
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Old 10-17-2010, 08:33 PM   #3
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I bought a set, can't wait to get that heavy battery out of the top of my "gas tank".
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Old 10-18-2010, 04:42 PM   #4
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For those of you who have not heard of these, the new LifePO4 A123 Systems
http://www.a123systems.com/a123/products 26650 batteries are revolutionary for their high power output. [/quote]

I looked at the 18650 on the A123 website and compared it with the AA Duracell rechargeable in my flashlight. A123: 1.1Ah Duracell AA:2650 mAh. Am I right in concluding that the AA has over twice the capacity? Does 2650mAh equal 2.6 Ah?
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Old 10-18-2010, 05:42 PM   #5
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Quote:
Originally Posted by Michael
For those of you who have not heard of these, the new LifePO4 A123 Systems
http://www.a123systems.com/a123/products 26650 batteries are revolutionary for their high power output.
I looked at the 18650 on the A123 website and compared it with the AA Duracell rechargeable in my flashlight. A123: 1.1Ah Duracell AA:2650 mAh. Am I right in concluding that the AA has over twice the capacity? Does 2650mAh equal 2.6 Ah?[/QUOTE]


The 18650 is designed for a completely different purpose than the 26650... the 26650 are also sold in cardboard sleeves and bundled to run power tools in 18Volt configurations.
I think you mean your AA is 1.2 Volts at 2650 mAh which would be the same as 2.6 Ah... not sure where your question is leading?
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Old 10-18-2010, 08:18 PM   #6
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Could you comment on the cold weather performance, ie less than 40degrees F of your batteries?

Thanks
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Old 10-18-2010, 09:16 PM   #7
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Originally Posted by sanjoh
Could you comment on the cold weather performance, ie less than 40degrees F of your batteries?

Thanks
They don't put out as much power as a lead acid battery at first, but they self heat after each starting pulse and get stronger after each cranking attempt. I haven't tried starting my bike below 32 but in the range of 35 +/- it took me 3 starting pulses to fire my F650GS.

EDIT: It was also at 11,000 feet, so the motor was also gasping for air!
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herrhelmet screwed with this post 10-18-2010 at 09:26 PM
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Old 10-18-2010, 09:22 PM   #8
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Quote:
Originally Posted by sanjoh
Could you comment on the cold weather performance, ie less than 40degrees F of your batteries?

Thanks
By the way, I think your LED lights rock. Plan on buying. Very clean setup.
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Old 10-19-2010, 12:48 PM   #9
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Thanks, your battery looks interesting. PM sent.
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Old 10-19-2010, 01:05 PM   #10
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Hmm.. with a smaller battery in place, I could install a centech fuse box next to it and have room to spare.. I'll keep this in mind when I need one.
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Old 10-19-2010, 02:21 PM   #11
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Originally Posted by Gadget Boy
Hmm.. with a smaller battery in place, I could install a centech fuse box next to it and have room to spare.. I'll keep this in mind when I need one.

Thanks,

I'll be posting a youtube installation video too.
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Old 10-19-2010, 03:41 PM   #12
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Quote:
Originally Posted by herrhelmet
Thanks,

I'll be posting a youtube installation video too.

I'd like to see that.. put it in your first post of this thread
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Old 10-19-2010, 09:05 PM   #13
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Do they need any venting for heat dispersal?
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Old 10-19-2010, 09:15 PM   #14
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Originally Posted by fire_strom
Do they need any venting for heat dispersal?
The batteries I've tested stay cool and don't self heat unless you are trying to crank a dead motor over and over... Since they aren't sealed in a plastic case even a small opening in a battery box should be fine. My battery has been sitting on top of my motor with NO Heatshield too. Across Death Valley in 115 for about 1,100 miles.
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Old 10-20-2010, 07:13 AM   #15
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I'm keen to get one of your batteries, but I don't think I'll purchase until my current year-and-a-half-old sealed battery goes tits-up. I don't think I've ever WANTED a battery to die before.
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