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Battery Problems?

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Old Jun 19, 2018 | 11:02 AM
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Default Battery Problems?

I have a 2014 Sporster 1200 C with less than 10k miles. It very often will not start if it has been sitting idle for more than 4 days. Sometimes it will work, but mostly it doesn’t. I have changed the battery and taken proper care of it and I am still dealing with this problem. At this point the only thing I can think of is that I have a phone charger hooked up and that is still pulling from the battery even when the bike is turned off. But idk. It’s annoying because it’s not a old bike and hasn’t been in a crash. Can anyone help?
 
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Old Jun 19, 2018 | 11:04 AM
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Is it the original battery?
 
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Old Jun 19, 2018 | 11:33 AM
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No i replaced it after about 5k when the problem had been happening already
 
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Old Jun 19, 2018 | 11:38 AM
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Have you verified terminals clean and tight? Main ground also?
 
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Old Jun 19, 2018 | 12:13 PM
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How long ago did you put in the new battery? How many times has the new battery been to low to start your bike ?
 
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Old Jun 19, 2018 | 12:51 PM
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Originally Posted by RRider
How long ago did you put in the new battery? How many times has the new battery been to low to start your bike ?
I charge it after the winter and then in the summer when I ride it regularly is when it happens. To many times to count over the last couple years
 
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Old Jun 19, 2018 | 01:13 PM
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Take in the battery and have it tested, that can at least eliminate that as a possible contender. Even though its a newer battery, all those complete discharges could have ruined it. Once you eliminate that as a possible problem, i would unhook the only other non-factory thing you noted (the cell charger) and see if that solved it. Then at least you know if its something at issue with the factory components or not
 
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Old Jun 19, 2018 | 01:15 PM
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If the phone charges while the bike is off........then you're killing the battery.

Take the phone charger off and see what happens.

If it sits in cold weather over the winter with no tender that'll kill it........it doesn't like being cold.

If it gets too low it doesn't came back right.

New battery and put a tender on it when not riding for extended periods.
 

Last edited by MURPHCC1; Jun 19, 2018 at 01:18 PM.
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Old Jun 19, 2018 | 01:42 PM
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I have the same problem. I had to cut the siren wire off because it keeps getting so low that the alarm thinks someone's disconnecting the battery. I need to use a tender if I don't use the bike for more that three days. But most of the time, when I realize I won't use the bike, it's too late and battery is dead.

I bought a portable battery to jump start it. Then I can bring it with me if the bike don't charge fully while riding it.
​​​​​​

https://www.amazon.com/Arteck-External-Automotive-Motorcycle-Flashlight/dp/B01DVSSCG6?keywords=jump+starter&qid=1529433656&sr =8-13&ref=mp_s_a_1_13
 
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Old Jun 19, 2018 | 01:49 PM
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Originally Posted by MURPHCC1
If the phone charges while the bike is off........then you're killing the battery.

Take the phone charger off and see what happens.

If it sits in cold weather over the winter with no tender that'll kill it........it doesn't like being cold.

If it gets too low it doesn't came back right.

New battery and put a tender on it when not riding for extended periods.
thanks. How long would you say an extended period is?
 
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