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Old 03-31-2009, 09:32 AM   #1
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Default How long a ride should charge my battery?

I just brought my bike out for the first time in 2009, and the battery was flat so I got a boost from my car. When I arrived at work, 41km (25.5mi) later, I found the battery still quite flat. I had the impression that 41km on the highway should have given the battery plenty of charge. Is that right? Is my battery very much dead? I guess I need to invest in a trickle charger.
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Old 03-31-2009, 09:37 AM   #2
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looks like you either got a bad battery or bad charging system. You can bring the battery to local bike shop to have them check it for you (mine checks for free). Or you can just purchase a new battery and hope that fixes the problem , and I'm sure there are other ways to troubleshoot this problem too, see what other people got
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Old 03-31-2009, 10:23 AM   #3
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It's real easy to cheack if the the charging system is working.

Get a multimeter and set it on dc. Check the voltage on the battery. Should be around 13 volts, plus or minus .5 volts fully charged. Start bike and check battery voltage again. Voltage will go up if charging system is working.

To check battery.

Check fluid level in battery. Add distilled water if needed. Charge at 1amp overnight. Should be around 13 volts.

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Old 03-31-2009, 12:02 PM   #4
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Motorcycle batteries are designed to be near fully charged at all times. Letting them cycle between full and empty will shorten the lifespan. A $25 battery tender used during storage will save you a lot of headaches.
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Old 03-31-2009, 01:09 PM   #5
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An auto store can check your battery also. I got a meter from Freight Harbor..$2.99 special Works like a charm tho.
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Old 04-01-2009, 05:16 AM   #6
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That long of a ride SHOULD have charged your battery.....I suspect a trashed battery is your issue.

Get it checked, replace if necessary and buy a "battery tender" - not a trickle charger.
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Old 04-03-2009, 04:56 PM   #7
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Quote:
Originally Posted by aaronrkelly View Post
That long of a ride SHOULD have charged your battery.....I suspect a trashed battery is your issue.

Get it checked, replace if necessary and buy a "battery tender" - not a trickle charger.
+1

If your charging system was out... then during your ride to work, your battery should have given out soon after (since you only "boosted" it with your car and not "charge" it). Then, once your battery completely would have died out, your bike should start to sputter and what not due to lack of spark (no electricity if charging system bad). You should remember that you're also running your gauges, lights, ECU/FI if you have it, and sparks (other stuff if you have a high-tech bike).

BTW, I thought it was always "bad" to jump or charge your MC battery with a car battery? True or false?
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Old 04-03-2009, 05:17 PM   #8
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In most situations, it is fine to jump from a car battery. The car engine should be off at the time of the jump.

It's much better to charge the battery properly with a charger if possible. Jump starting should only be used in emergencies.
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Old 04-03-2009, 06:21 PM   #9
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It is a false notion that using the bike (or car) will "charge" the battery. Either get a new battery (recommended if you have *any* battery problems), or put it on a trickle charger for 24 hrs.
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Old 04-03-2009, 08:51 PM   #10
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Quote:
Originally Posted by jmark View Post
It is a false notion that using the bike (or car) will "charge" the battery. Either get a new battery (recommended if you have *any* battery problems), or put it on a trickle charger for 24 hrs.
Im going to disagree and agree both with this statement....if thats possible.

Yes, operating the car or the bike will charge a battery. In most cases to the point it will start on its own after a short drive. I do this all the time with my little work car because I cant remember to turn the headlights off.

.....no it will not PROPERLY charge a battery. After you get said vehicle home you should put it on a proper charger. You should charge it slowly over a longer period of time vs a quick charge.
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Old 04-03-2009, 09:00 PM   #11
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I agree with that.
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Old 04-04-2009, 05:41 PM   #12
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Quote:
Originally Posted by aaronrkelly View Post
Get it checked, replace if necessary and buy a "battery tender" - not a trickle charger.
Battery tenders can be pretty expensive. At Canadian Tire I can get a 20$ trickle charger (and those are CADs, of course) which I would just use in the winter every couple of weeks to give my battery a couple of hours charge.
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Old 04-04-2009, 06:10 PM   #13
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You can get a good quality battery tender for less than $25. They are well worth the investment.
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Old 04-04-2009, 06:11 PM   #14
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Angus your avatar looks brutal
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Old 04-04-2009, 06:16 PM   #15
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Quote:
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Angus your avatar looks brutal
Yeah, that's what happens up here when Jack Frost does a #2 on your bike
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Old 04-04-2009, 10:16 PM   #16
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Grab a Vector 2/6/10 amp charger off of fleabay...I got a new one for $20 shipped and it works like a charm.
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Old 04-04-2009, 10:41 PM   #17
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Quote:
Originally Posted by Angus View Post
Battery tenders can be pretty expensive. At Canadian Tire I can get a 20$ trickle charger (and those are CADs, of course) which I would just use in the winter every couple of weeks to give my battery a couple of hours charge.
I can get a battery tender for $7 at Harbor Freight....US $7 (dont know the conversion). I have 8 bikes using 4 different brand tenders.....some pricey ones and some of the cheap ones.....they all work well.

Of course if you dont have access to Harbor Freight your out of luck....
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Old 04-05-2009, 09:41 AM   #18
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I purchased the battery tender junior down at Daytona bike week for $30 and it is so easy to use and comes with attachments for you to leave a plug attached directly to your battery terminals. All you do is plug tender into outlet and plug male and female plugs together. 100% recommend one of these.
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