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post #1 of 9 (permalink) Old 04-23-2009, 06:53 PM Thread Starter
Benjammin'
 
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Battery question

There have been a lot of posts in here about batteries recently and some really great info as well. Here is my question to all the battery experts out there;

Since our bikes run on 12v, other than initial starting, how would more cold cranking amps be beneficial in a battery? If the bike recharges the battery sufficiently, the battery takes the charge OK and it then measures 12v when just sitting, why spend more money on a higher CCA battery? Does any 'more' power contribute to the bike's runnability after starting?

Also, other than potential leakage of a wet cell and the other 'maintenance' issues, if it works with the 12v system mentioned above (sufficient CCA to start, recharges and holds 12V), then why would a wet cell not work?

I have a AGM battery in my bike that will need replacing soon. I will replace it with a AGM because I don't want acid leaking on parts of my bike. But I want to make sure I get the right battery- one that will last, but not overspend for CCA because I am typically a fair (and warm) weather rider. I may not need the extra boost from higher CCA because bike is typically warmer whan I start it.

Thanks everyone!
Ben-

Ben-
SW Ohio

'02 VN750
Pipes drilled
Spline lubed
R/R relocated
AGM batteried
Iridium equipped
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post #2 of 9 (permalink) Old 04-23-2009, 07:06 PM
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The best battery for the money is the Deka/Big crank, they are made in USA and have 1 year no BS free replacement warranty. The CCA was upped to 210 in 09-08'.

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http://cgi.ebay.com/ebaymotors/Deka-...ehicleQ5fParts

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http://www.batterymart.com/p-Big-Cra..._campaign=Base


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REBUILT ENGINE
CUSTOM PAINT
VANCE & HINES CRUZERS
EAR SHAVED AND RE-JETTED W/K&N'S
DUNLOP ELITE K591 FRONT & REAR
VOLTMETER
SYNTHETIC BRAKE FLUID
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COASTERD
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NGK CAP, WIRES, IRIDUMS
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ORIGINAL STATOR & R/R 14.5v
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post #3 of 9 (permalink) Old 04-23-2009, 08:26 PM
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It's not an easy explanation Skaggs. There are batteries made that are deep cycle that can deliver a heavier surge for starting. It is all at 12 volts but it refers to the current (ampere) delivery for a short burst. They will recharge and continue to deliver 12 volts until they get seriously discharged. Beyond the amp/hours that the batteries will deliver, some of them deliver better up front and some deliver evenly during the whole discharge cycle. Hope that helps

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post #4 of 9 (permalink) Old 04-23-2009, 09:44 PM
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A good AGM battery also holds it's charge longer than a wet cell, so you won't have to connect a battery charger to it as often. This is especially important to you when you store your bike for the winter months. You're battery won't be dead or weakened when you start her up in spring/summer, compared to a wet cell. As for CCA, the larger the CCA the easier it is for the battery to start you up even when there is a higher load on the battery. Sometimes the resistance along the circuit is increased for a variety of reasons: temperature, corrosion, additional lighting or other electrical components added on, etc.

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post #5 of 9 (permalink) Old 04-24-2009, 12:45 AM
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The most important is how much cranking amps the battery gives. If not enough, the motor turns slowly and the voltage drops so that you may not have a spark at all. I still have a wet cell battery, but when the time comes will replace with an AGM battery. Main reason is to prevent rusting around the battery (and yes, it is better in other features too).
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post #6 of 9 (permalink) Old 04-24-2009, 10:49 AM
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Yes, CCA's refers to what a battery will deliver in cold conditions, but, the way I see it, if it has higher CCA's when it's cold, it also has more in warmer temps, which means easier starting because of not getting low spark at the plugs (which often happens with standard wet cell batteries)


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post #7 of 9 (permalink) Old 04-24-2009, 11:08 AM
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Quote:
Originally Posted by BSkaggs513 View Post
then why would a wet cell not work?

Thanks everyone!
Ben-
There are technical reasons why a AGM is better than wet, most importantly its slow rate of self discharge; better starting after sitting for long periods of time, less load on the charging system, etc.

Stick with AGM for now.


Chris Glennon - Portland, OR
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post #8 of 9 (permalink) Old 04-24-2009, 08:32 PM Thread Starter
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I will get an AGM. My 3 year old AGM crapped out Autozone's testing gave her the thumbs down. The bummer is that the wet cell I had lasted longer!

I have had good starts with both AGM and wet cells, but I don't like getting acid all over the battery box is mainly why I'm going with AGM again. From what I gather, CCA's are primarily there to add extra power to turn over the engine. Less power used is less voltage required to get the battery charged again. From what I read, this is where the strain occurs on our charging systems. Did I sum everything up properly?

Now, what brand of battery is the best quality and who has the best price on it?

Ben-
SW Ohio

'02 VN750
Pipes drilled
Spline lubed
R/R relocated
AGM batteried
Iridium equipped
LED tail lighted
8000-ish miled
Soon to be MCCTed

Lovin Life.
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post #9 of 9 (permalink) Old 04-24-2009, 09:07 PM
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Quote:
Originally Posted by BSkaggs513 View Post
I will get an AGM. My 3 year old AGM crapped out Autozone's testing gave her the thumbs down. The bummer is that the wet cell I had lasted longer!

I have had good starts with both AGM and wet cells, but I don't like getting acid all over the battery box is mainly why I'm going with AGM again. From what I gather, CCA's are primarily there to add extra power to turn over the engine. Less power used is less voltage required to get the battery charged again. From what I read, this is where the strain occurs on our charging systems. Did I sum everything up properly?

Now, what brand of battery is the best quality and who has the best price on it?
DEKA/BIG CRANK
CCA was upped to 210.


http://www.batterymart.com/p-Big-Cra..._campaign=Base


http://cgi.ebay.com/ebaymotors/Deka-...QQcmdZViewItem


85 VN700 "Old Yella"

REBUILT ENGINE
CUSTOM PAINT
VANCE & HINES CRUZERS
EAR SHAVED AND RE-JETTED W/K&N'S
DUNLOP ELITE K591 FRONT & REAR
VOLTMETER
SYNTHETIC BRAKE FLUID
SYNTHETIC OIL & GEAR LUBE
PLEXISTAR 2 WINDSHIELD
SPLINES LUBED
ACCT'S GREASED W/TOC SPRINGS
COASTERD
LEATHER SADDLE BAGS
LEATHER TOOL AND ROLL BAG
PICKUP COILS GAPPED AT .018"
NGK CAP, WIRES, IRIDUMS
BARNETT FRICTION PLATES & SPRINGS
CUSTOM GRIPS, MIRRORS, LEVERS
ORIGINAL STATOR & R/R 14.5v
DEKA MF AGM ETX15L

Best Auto/Moto Insurance | Motorcycle Protection Today | FREE Trade-In Quote

Last edited by lance328; 04-24-2009 at 09:09 PM.
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