Battery... new in Feb won't start in Oct!

[Brick]

My 2014ES now with 38,000 some miles. In February the battery died... checked bad. Got a new good battery. I rode the bike frequently as I'm retired and always kept it on a battery tender when at home. August 3rd I had a heart attack an didn't start the Tenere until I was cleared to ride October 5th.
Two weeks ago I was reading here that occasionally you should take them off the battery tender. So the past two weeks it was off the battery tender.
Should be no problem... right! Wrong! I'm ready for my first ride I hit the started button and it cranks slowly then the dread D buuuzzzzttt if the started relay (I think) and no start!! I push it back in the garage and back on the battery tender again. Two days later... same symptoms!!!!
Once this damn rain goes away I'm going to try jump starting it!!!!!

Grrrrr!!!!




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[greg the pole]

My 2014ES now with 38,000 some miles. In February the battery died... checked bad. Got a new good battery. I rode the bike frequently as I'm retired and always kept it on a battery tender when at home. August 3rd I had a heart attack an didn't start the Tenere until I was cleared to ride October 5th.
Two weeks ago I was reading here that occasionally you should take them off the battery tender. So the past two weeks it was off the battery tender.
Should be no problem... right! Wrong! I'm ready for my first ride I hit the started button and it cranks slowly then the dread D buuuzzzzttt if the started relay (I think) and no start!! I push it back in the garage and back on the battery tender again. Two days later... same symptoms!!!!
Once this damn rain goes away I'm going to try jump starting it!!!!!

Grrrrr!!!!




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dont know what to tell you, but my battery is 5 yrs old, 79km, and has been tendered since day one. Zero issues.
The chatter is your starter relay not closing, due to a weak battery.
Are you able to put it on a proper charger, and see how much capacity is left over?

 

[Brick]

dont know what to tell you, but my battery is 5 yrs old, 79km, and has been tendered since day one. Zero issues.
The chatter is your starter relay not closing, due to a weak battery.
Are you able to put it on a proper charger, and see how much capacity is left over?

I guess I don't have a "proper" charger?? Don't even know what that is anymore. I have a very old charger that I haven't tried in years. In fact it is so old it have both 6Volt and 12Volt settings on it. It does have a meter on it... what would that show me? Or I suppose I could take it out and take it to an Auto parts store??

 

[Checkswrecks]

My 2014ES now with 38,000 some miles. In February the battery died... checked bad. Got a new good battery. I rode the bike frequently as I'm retired and always kept it on a battery tender when at home. August 3rd I had a heart attack an didn't start the Tenere until I was cleared to ride October 5th.
Two weeks ago I was reading here that occasionally you should take them off the battery tender. So the past two weeks it was off the battery tender.
Should be no problem... right! Wrong! I'm ready for my first ride I hit the started button and it cranks slowly then the dread D buuuzzzzttt if the started relay (I think) and no start!! I push it back in the garage and back on the battery tender again. Two days later... same symptoms!!!!
Once this damn rain goes away I'm going to try jump starting it!!!!!

Grrrrr!!!!


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That would be aggravating!


Look for a parasitic drain like this:
http://www.wikihow.com/Find-a-Parasitic-Battery-Drain


And once the battery is charged again, get a load test done on it at most any auto parts place. It may show full volts but have an internal problem which prevents it giving the amps needed to start the motor.


As for your charger, attach it to the battery and after a while check to see how many volts you get between the terminals.


And then there's always good info on Battery U. at http://batteryuniversity.com/learn/article/absorbent_glass_mat_agm


"As with all gelled and sealed units, AGM batteries are sensitive to overcharging. A charge to 2.40V/cell (and higher) is fine; however, the float charge should be reduced to between 2.25 and 2.30V/cell (summer temperatures may require lower voltages). Automotive charging systems for flooded lead acid often have a fixed float voltage setting of 14.40V (2.40V/cell); a direct replacement with a sealed unit could overcharge the battery on a long drive. (See [/size]BU-403: Charging Lead Acid[/size].)[/size]"

 

[OldRider]

Batteries are like a box of chocolates. What brand of battery did you put in it?

 

[RonH]

I really think battery tenders cause more harm than good. Back in the old days with water fill batteries, having a discharged battery could easily result in a cracked case and acid all over in winter. No longer the case. I see no sense in running a battery tender on a new AGM battery. I was surprised when my Tenere battery was bad at 5yrs, goldwing battery still fine at 8yrs. Only time I use a battery tender is on the Tenere in winter months for a few hours before I attempt starting if it's been sitting a long time as you sure don't want to try starting on a weak battery as it may take 2 days work to get it running if it floods.
Goldwing can sit months and starts right up with no tender.
I've read where hot temps are hard on a battery, and with a full charge even more hard, so keeping charged continuously in Summer is recipe for quick demise.

 

[pnelson]

It's common to have a bike fail to start after some time sitting. Not all battery tenders are alike. Cheap ones sold for just a few bucks at Harbor Freight do not have the charging circuitry to monitor the battery's state and adjust from charge to float.

Thousands of motorcycle owners swear by the inexpensive Battery Tender Jr because they work so well. ($27 on Amazon >> http://amzn.to/2dyL7mF)
It has the circuity to manage your battery and help it last and always be ready to ride. Maintaining the correct charge state is essential for long battery life.

For a few bucks you can get a tender cable with SAE fitting on one end and eyes for attaching to the battery on the other. This makes it super easy to hook up the tender.

Lithium batteries are lighter and will hold their charge much longer than the battery that came with your Tenere.
The lithium battery sized for the Tenere is the Shorai Lithium LFX LFX18A1-BS12 ($180 on Amazon >> http://amzn.to/2dBY9PE)

Note that you'll need a different battery tender for lithium batteries. Battery makes one just lithium batteries. ($24 on Amazon >> http://amzn.to/2eb2BGL)

As soon as my OEM battery dies, I'll replace it with a lithium. I keep mine on a tender when the bike is sitting and it's still good after three years of riding with a good bit of time sitting now and then. I have 20,000 miles on the bike.

;-)

 

[greg the pole]

I guess I don't have a "proper" charger?? Don't even know what that is anymore. I have a very old charger that I haven't tried in years. In fact it is so old it have both 6Volt and 12Volt settings on it. It does have a meter on it... what would that show me? Or I suppose I could take it out and take it to an Auto parts store??

One with an actual digital or analog display, with various charger settings.
I have one of these:
http://www.canadiantire.ca/en/pdp/motomaster-eliminator-intelligent-battery-charger-75-25-12-4a-0111519p.html#srp

 

[Brick]

After I posted last time I went to see if it was charging. My charger is a Battery Tender Jr however it was flashing green then red. So I took it off and got the Battery Tender Jr off my 1999 Suzuki SV650. Now it on red which is an indication that it is charging. So I may have had a bad Battery Tender Jr. I looked at the manufacturer date and it's 4409 which is the 44th week of 2009. So 8 years old.
I'll know tomorrow if it charges the battery!


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[hobdayd]

Lead acid batteries self discharge anywhere between 3% to 10% month without any load. (I am working on advanced lead battery designs that self discharge less than 0.5% month with no loads applied).

Lead acid batteries do not like to sit at low voltage for long periods.

Lead acid batteries like to be fully recharged on a regular basis.

During periods of inactivity on my bike I will use a charger you fully recharge the battery (this could take several hours depending of state of discharge when parked) then I disconnect the charger and leave the battery for approx 1 month (depending on alarm immobiliser current draw) then repeat the process.

When u out charge / discharge there is a chemical reaction inside the battery. A byproduct is gas generation. EVERY battery gas a valve to control internal gas pressure. (Otherwise you cab have a nasty outcome). If a battery sits permanently on a charger continuous gassing can occur which meand gas is expelled leading to cell dry out and premature battery failure.

Modern good quality chargers ensure that the battery is not continually exposed to high voltage to prevent this happening. However there are poor chargers out there.

Final note...depending on which battery you buy there can be great variation in their life expectancy. Buy non OEM quality assured batteries then keep your fingers crossed you gave a good one.

Unfortunately, motorcycle batteries are uneconomic for Western battery companies to produce so many companies buy Asian manufactured batteries and rebrand them.

Just buy OEM batteries and a good charger, charge, disconnect and repeat once a month over winter...

 

[Brick]

Well after having a good Battery Tender Jr over night my Tenere started right up.


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