Battery Drain
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Joined: Dec 2007
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From: Pittsburgh
Battery Drain
My bike as not started twice in the matter of a week because of a low battery. Does anyone have any idea what may be draining it? The dealer checked the battery and said it seems fine and it is charging. So now my problem is, what could be draining it. I have an 09 Low Rider so the battery is just over a year old. I do not leave the bikes power on, the key is kept on the wall.
I think it was covered here 
https://www.hdforums.com/forum/newre...eply&p=6419461
J/K
https://www.hdforums.com/forum/newre...eply&p=6419461
I've heard different stories about keeping your kickstand off the bare cement to keep your battery from draining. I've noticed older bikes having problems keeping the battery charged but wasn't sure if this was the issue. What causes this and does is still happen to newer bikes? I have roll out carpets in my garage and have never parked my new bike it on bare cement for a long period of time so I've never had that problem.
Ultimate HDF Member
Joined: Dec 2008
Posts: 5,120
Likes: 17
From: Indiana
Not sure! If you didn't have a tender on it over the winter the battery could be shot, I know the dealer said it's good, but they say a lot!! If you ride and come back and let it sit maybe your stator went bad and it's not charging when you ride. I haven't heard it going bad on an 09 yet, but you can test it. My bike has been sitting for a week to two weeks at a time right now with the rain and snow coming an going still and she still fires right up when I go ride and I haven't been putting the tender on. If you think the cement myth is true get one of them jiffy stand disk at the dealer for like 10 bucks I think!!
Last edited by JaronB; May 9, 2010 at 05:52 PM.
Outstanding HDF Member
Joined: Aug 2007
Posts: 2,836
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From: 2000 Softail FXST
Check the wire grounding the battery to the frame, it could be loose and preventing the battery from charging properly. Like Jaron said you may have a bad voltage regulator or stator, the dealer can check them for you.
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Joined: May 2015
Posts: 22
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From: waterford mi
My bike as not started twice in the matter of a week because of a low battery. Does anyone have any idea what may be draining it? The dealer checked the battery and said it seems fine and it is charging. So now my problem is, what could be draining it. I have an 09 Low Rider so the battery is just over a year old. I do not leave the bikes power on, the key is kept on the wall.
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