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January 23rd, 2013, 03:10 PM   #1
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2006 650 Battery Not Holding Charge

I just put a new Shorai battery in my 650 and it started no problem on 2 different occasions during a 48 hour period. Since I'm still sorting a few other thing out on the bike I didn't take it for a ride. I did let it idle for a few minutes.

Anyway, 72 hours later tried to start using the exact same procedure and within 3 tries there was no juice left at all. Not even enough to turn on the vapor dashboard.

What could drain a new battery while its sitting?

I always triple check and didn't leave the lights on.

Any help would be most appreciated.
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January 23rd, 2013, 03:45 PM   #2
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Re: 2006 650 Battery Not Holding Charge

It should be simple enough to check for a draw and to check charging voltage. Then there is a good chance that your battery is just NFG.
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January 23rd, 2013, 04:00 PM   #3
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Re: 2006 650 Battery Not Holding Charge

I don't think it is the battery as I had the same problem before with a new standard battery awhile back. It had the same symptoms as I described in my first post with the Shorai.

I put the bike in storage for a year and I figured that for good measure I would put the new Shorai in after it was out of storage. I assumed a new battery would fix everything but not the case.
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January 23rd, 2013, 11:57 PM   #4
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Re: 2006 650 Battery Not Holding Charge

You should disconnect one lead of battery and connect DC ampermeter in series with battery and disconected lead.
Dis way you can see if something is draining system while bike is not running.

Don't try to start bike with ampermeter in series, you will gona destroy it if it's not so strong, normal multimeters hold up to 20A what is not enought.

If you have DC clamp ampermeter, you can youst clamp it over positive or negative lead.

BR
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