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Old 12-19-2012, 07:39 AM   #1
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Battery Question

Had a motorcycle battery tested and received a print out.

Results:

Good Battery
Voltage 12.4
Measured 263 CCA
Charge Time 00:11:00
Amp Hours 0.2 AH

Doesn't 0.2 AH seem low for it to be a good battery?
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Old 12-19-2012, 07:51 AM   #2
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Or is 0.2 AH the rate the battery was charged?
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Old 12-19-2012, 07:55 AM   #3
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Isn't that about the same rate a Battery Tender charges? I would guess that says how they charged it.
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Old 12-19-2012, 10:05 AM   #4
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I'd like to know too..
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Old 12-19-2012, 10:09 AM   #5
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0.2 ah is the rate of charge.
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Old 12-19-2012, 10:18 AM   #6
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Yes, 0.2Ah is wayy too low for capacity for a motorcycle battery.

BTW, charge rate would be measured in Amps, not Amp-hour.

If it only took 11 minutes to charge it, 0.2A charge rate sounds very low. Unless, of course, the battery was already near fully-charged to begin with. In which case, at 0.2A charge rate, it probably took the charge controller 11mins to detect a delta peak and shuts off the charge current.
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Old 12-19-2012, 10:21 AM   #7
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Trickle charge...
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Old 12-19-2012, 10:32 AM   #8
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Quote:
Originally Posted by Volfy View Post
Yes, 0.2Ah is wayy too low for capacity for a motorcycle battery.

BTW, charge rate would be measured in Amps, not Amp-hour.

If it only took 11 minutes to charge it, 0.2A charge rate sounds very low. Unless, of course, the battery was already near fully-charged to begin with. In which case, at 0.2A charge rate, it probably took the charge controller 11mins to detect a delta peak and shuts off the charge current.
Yea, the battery was charged when I took it for testing.

It seems to be having trouble lately kicking the HD over. The starter seems to get stuck because of engine compression. Have to release starter button and hit it again to turn the engine over.
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Old 12-19-2012, 10:46 AM   #9
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Read your printout... It says 263 cold cranking amps is what it's putting out. What is the cold cranking amps supposed to be? They guy at autozone probably didn't put in the correct information for the batter when he tested it...


From what I understand a stock Harley of your model should be 280cca min.
Which would explain your hard to start.

And your voltage is right at min for passing. 12.4 is bare min. For it to read good. 12.3 would of failed.
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Old 12-19-2012, 10:57 AM   #10
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Yup that cca should be higher. Throw in a new battery before you up the starter.
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Old 12-19-2012, 11:10 AM   #11
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Yup that cca should be higher. Throw in a new battery before you up the starter.


A high quality battery. Cheap ones don't put out what they say.
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Old 12-19-2012, 11:11 AM   #12
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Quote:
Originally Posted by camaroz2866 View Post
Read your printout... It says 263 cold cranking amps is what it's putting out. What is the cold cranking amps supposed to be? They guy at autozone probably didn't put in the correct information for the batter when he tested it...


From what I understand a stock Harley of your model should be 280cca min.
Which would explain your hard to start.

And your voltage is right at min for passing. 12.4 is bare min. For it to read good. 12.3 would of failed.
Stubbs HD tested it. It's a HD brand battery
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Old 12-19-2012, 11:27 AM   #13
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Not so fast.

Yuasa says the 1200 Sportster uses a YTX14L-BS, which is spec'ed at 12Ah capacity and 200CCA. I'd say if the printout is correct, your batt is apparently doing okay.

Big twins are notoriously difficult to turn over sometimes, especially the high compression ones. My RSV1000R did the same thing you are describing all the time. I tried swapping in a bigger battery and it doesn't seem to help much. The SV cranks over effortlessly (with very nearly the same battery as your HD), but then it has lower compression ratio. Good thing with lower CR is that the SV can drink regular 87 Octane no problem.

It might just be the colder mornings we've been having lately. Does it do the same thing in the warmer afternoon? You might also want to look at the battery connections, but on the positive side and the negative.

Here's a good way of checking to see if the battery is causing the starting hesitation: Hook up jumper cable to your car's battery, crank the bike over with the car's engine running. If it still does the same thing, then you know it ain't the battery's fault.
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Old 12-19-2012, 11:31 AM   #14
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Quote:
Originally Posted by Volfy View Post
Not so fast.

Yuasa says the 1200 Sportster uses a YTX14L-BS, which is spec'ed at 12Ah capacity and 200CCA. I'd say if the printout is correct, your batt is apparently doing okay.

Big twins are notoriously difficult to turn over sometimes, especially the high compression ones. My RSV1000R did the same thing you are describing all the time. I tried swapping in a bigger battery and it doesn't seem to help much. The SV cranks over effortlessly (with very nearly the same battery as your HD), but then it has lower compression ratio. Good thing with lower CR is that the SV can drink regular 87 Octane no problem.

It might just be the colder mornings we've been having lately. Does it do the same thing in the warmer afternoon? You might also want to look at the battery connections, but on the positive side and the negative.

Here's a good way of checking to see if the battery is causing the starting hesitation: Hook up jumper cable to your car's battery, crank the bike over with the car's engine running. If it still does the same thing, then you know it ain't the battery's fault.
Cranks fine in the morning, but I keep a block of wood under the kickstand at home. When I leave work in the afternoon is when the starter "sticks", but the kickstand has been sitting on cement for 9 hours. I'm going to put wood under the kickstand at work next time and see if that makes a difference.
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Old 12-19-2012, 11:58 AM   #15
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I got the 280cca from a Harley sight. Guess what they put on Internet can't always be true.


Check for a battery draw as well.
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Old 12-19-2012, 12:19 PM   #16
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Quote:
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I got the 280cca from a Harley sight. Guess what they put on Internet can't always be true.
Who knows. I went and looked up here. Yuasa is kinda the industry standard and probably the OEM for the HD battery.

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Cranks fine in the morning, but I keep a block of wood under the kickstand at home. When I leave work in the afternoon is when the starter "sticks", but the kickstand has been sitting on cement for 9 hours. I'm going to put wood under the kickstand at work next time and see if that makes a difference.
Que? Why would a block a wood make a difference?
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Old 12-19-2012, 12:34 PM   #17
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Quote:
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Que? Why would a block a wood make a difference?
Maybe the battery is being drained because the bike is grounded when the kick stand is on pavement
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Old 12-19-2012, 12:56 PM   #18
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Quote:
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Maybe the battery is being drained because the bike is grounded when the kick stand is on pavement
No, it does not work that way. The only way the battery will discharge is if something is putting a load on the battery and drawing current. That requires a circuit to be completed from the (+) terminal to the (-) terminal. Just ground the bike itself doesn't do that. Folks who live up north actually would purposely install a grounding strap to their cars to discharge any static electricity that might build up in the dry winter months, so the car doesn't shock the wee-wee out of you when you go touch the car.

Or the battery might self-discharge because it is getting old and the internal resistance goes high. That could be what is going on here. Do you put your bike(s) on maintenance charger at home?
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Old 12-19-2012, 01:21 PM   #19
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Quote:
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Do you put your bike(s) on maintenance charger at home?
Sometimes, but I ride it for 30 minutes at 70mph 5 days a week
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Old 12-19-2012, 01:44 PM   #20
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