Battery Life.... Am I on borrowed time? - BMW Luxury Touring Community
 
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post #1 of 12 Old Nov 22nd, 2011, 9:50 pm Thread Starter
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Battery Life.... Am I on borrowed time?

My battery is nearly 5 years old. I bought it from the dealer, and always keep it on the Battery Tender if bike is shut down for more than a day or two. No issues, and seems real strong. Am I lucky, or living on borrowed time?

Time for a new battery as a pre-emptive strike against disaster?

Side question: Would the attached example be considered a Ron K. Miller approved ghetto mod®?
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Brian
CCR: 2008, Midway; 2011, Boise; 2012, Duluth; 2014, Chattanooga. MOA: Billings, 2015; SLC, 2017
CCR-R: 2018, Russellville
'13 K1600 GTL-P - "Eva"
Sold but "beloved" ride: K12 LT - "Pepe"
IBA #31242 (SSx2, BB, BBG)
MOA #136148

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post #2 of 12 Old Nov 22nd, 2011, 10:16 pm
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Re: Battery Life.... Am I on borrowed time?

If it is not broken, don,t fix it.
I would buy another battery and put it in my garage for a rainy day.

Courage doesn't always roar. Sometimes it is the quiet voice at the end of the day saying " I'll try again tomorrow".


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post #3 of 12 Old Nov 23rd, 2011, 12:10 am
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Talking Re: Battery Life.... Am I on borrowed time?

I believe I see a total of 99 volts collectively there Brian, but I'm afraid the CCA would be little on the low side still with that mod!
5 years out of a battery is not anything to fuss about. Time for a new one! But I still would not go with your "ghetto mod"!

John
Quote:
Originally Posted by hallzee
My battery is nearly 5 years old. I bought it from the dealer, and always keep it on the Battery Tender if bike is shut down for more than a day or two. No issues, and seems real strong. Am I lucky, or living on borrowed time?

Time for a new battery as a pre-emptive strike against disaster?

Side question: Would the attached example be considered a Ron K. Miller approved ghetto mod®?

John & Marilyn Fisher
'00 K1200LTC "Katie"
'95 Triumph "Tigger"
'12 Triumph 800XC "Tigger II" (RIP)
'12 Triumph 1200 Explorer "Shadow Tigger"
Hillsboro, Oregon

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post #4 of 12 Old Nov 23rd, 2011, 5:35 am
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Re: Battery Life.... Am I on borrowed time?

Mine was also 5 years old & always on the tender. I went out one day for a ride and click click click. Went to Batteries Plus & 30 minutes later I went for that ride. At 5 years old I would replace as you do not want it to not start 100 miles from NOwhere

Stevie Shreeve
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post #5 of 12 Old Nov 23rd, 2011, 6:08 am
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Re: Battery Life.... Am I on borrowed time?

Bought the LT used 2.5 yrs ago so I don't know how old the bat is. I bought my Rocket 6 yrs ago and the bat is still good. I swap my battery tender out between the two so neither stays on the tender. Since I only use the Rocket for local riding I think I'll see just how long that battery goes. But when I do replace the LT bat, I think I'll go buy what Triumph uses on their Rocket. hehe

Rocket Ron


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post #6 of 12 Old Nov 23rd, 2011, 7:02 am
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Re: Battery Life.... Am I on borrowed time?

They do fail Brian. 5 years is good, but if I was planning a trip, I think I would opt for a new one. Having said all that, I have been seeing a lot of failures on almost new batteries (Asian mfg) lately. I would opt for an Odyssey or spend the bucks and try a Shorai, MHO.

Bill
Eastern Virginia (Middle Peninsula)
K3ZXV
05 Honda Sabre 1100
04 Triumph Speedmaster , Black with
California Sidecar Friendship II
99 K1200LT, Basalt Gray "DELILAH" (SOLD)
99 R1100RT ,Glacier Green (SOLD
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post #7 of 12 Old Nov 23rd, 2011, 9:31 am Thread Starter
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Re: Battery Life.... Am I on borrowed time?

I figured it was time... Was just shooting a Hail Mary, and hoping a dozen guys would pipe up and tell me about 9 years of strong battery life! ha ha

Brian
CCR: 2008, Midway; 2011, Boise; 2012, Duluth; 2014, Chattanooga. MOA: Billings, 2015; SLC, 2017
CCR-R: 2018, Russellville
'13 K1600 GTL-P - "Eva"
Sold but "beloved" ride: K12 LT - "Pepe"
IBA #31242 (SSx2, BB, BBG)
MOA #136148

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post #8 of 12 Old Nov 23rd, 2011, 9:36 am
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Re: Battery Life.... Am I on borrowed time?

As a friend of mine says..."God invented bell curves for a reason..." The average motorcycle battery life is about 4 years. But there are 3 sigma outliers on both sides.....some only last a year......some make it 8 or 9. It used to be hard to tell.

My shop here in VA has a cosmic battery tester that's much more than just a load meter. It somehow checks charging resistance on the plates, and all kinds of stuff, prints out a performance curve of your battery and tells you what % of life is left. If you know of a shop with one of these....it can pretty accurately predict remaining battery life. Great if you're planning a trip with a vintage battery.

JD

Jeff Dunkle
Ocala, FL
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post #9 of 12 Old Nov 23rd, 2011, 10:15 am
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Re: Battery Life.... Am I on borrowed time?

Quote:
Originally Posted by hallzee
My battery is nearly 5 years old. I bought it from the dealer, and always keep it on the Battery Tender if bike is shut down for more than a day or two. No issues, and seems real strong. Am I lucky, or living on borrowed time?

Time for a new battery as a pre-emptive strike against disaster?

Side question: Would the attached example be considered a Ron K. Miller approved ghetto mod®?
Nope, but THIS would!

The $40 Hidden Inside a 12V Battery | Wise Bread


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post #10 of 12 Old Nov 23rd, 2011, 2:17 pm
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Re: Battery Life.... Am I on borrowed time?

So that's whats on the inside of them China batteries.

Just Go
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Mike
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post #11 of 12 Old Nov 23rd, 2011, 3:04 pm
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Re: Battery Life.... Am I on borrowed time?

Quote:
Originally Posted by hallzee
My battery is nearly 5 years old. I bought it from the dealer, and always keep it on the Battery Tender if bike is shut down for more than a day or two. No issues, and seems real strong. Am I lucky, or living on borrowed time?

Time for a new battery as a pre-emptive strike against disaster?
I had a similar question a few years ago, almost 5 year old battery on a tender when not on road. The short of this, is I bought a new battery because I know I do not have the new style starter relay. So if your battery craps out quickly you might face more than an inconvenience when the battery fails.

One thing you also might keep in mind is that if your battery degrades with voltage or current you might see an ABS problem during self check and prior to a failure.

Jack D. (Southern Connecticut)
2001 Black LTC
2015 Blue R1200GSA

Last edited by jackd; Nov 23rd, 2011 at 3:06 pm. Reason: spelling
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post #12 of 12 Old Nov 23rd, 2011, 5:50 pm
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Re: Battery Life.... Am I on borrowed time?

Mine's an OE with a date stamp of 6/08 on it. I'm going to trade it for an Odyssey at the four year mark. I think I'll shoot for five years on the Odyssey.


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