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Old Mar 3, 2018 | 07:14 PM
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Talking battery ?

hate to open this topic, but I have been having a real bad time with H-D batteries, my 01 low rider is charging 14.35 to the battery and the last couple of H-D batteries last barely a year. What kind of batteries are people having the best luck with. I also keep a tender on it. starter is not that old. terry
 
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Old Mar 3, 2018 | 07:25 PM
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Not all tenders are created equal - make sure yours is designed for AGM battery
like this one - http://products.batterytender.com/Di...derR-Plus.html
 
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Old Mar 3, 2018 | 09:16 PM
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I just purchased this per advice from a few forum members better CCA and fit into 2014 SB battery box like a glove. Even though amazon said it wasn't compatible, So far so good!
Yuasa YUAM720GH GYZ20HL Battery
Amazon Amazon
 

Last edited by STRES; Mar 3, 2018 at 09:17 PM.
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Old Mar 3, 2018 | 09:30 PM
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Originally Posted by lightweight bob
Not all tenders are created equal - make sure yours is designed for AGM battery
like this one - http://products.batterytender.com/Di...derR-Plus.html
this 100%. I forget the brand mine is, but it’s the one from Walmart, but the best one they sell, for agm batteries. It charges flooded batteries as well but agm batteries have to be charged at lower amperage otherwise it reduces the life of the battery and can actually overheat and destroy the battery.
 
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Old Mar 4, 2018 | 04:28 AM
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i plug a normal car charger output 4 amps every 3 weeks if not being used.. a tender only puts about 1.5 volts. but each person has different views
 
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Old Mar 4, 2018 | 06:59 AM
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Originally Posted by loopie
i plug a normal car charger output 4 amps every 3 weeks if not being used.. a tender only puts about 1.5 volts. but each person has different views
that’s because agm batteries are supposed to be charged slow. How slow, boils down to preference but I have seen agm batteries smoke from other techs charging too fast
 
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Old Mar 4, 2018 | 09:35 AM
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Default Amps - not volts

Originally Posted by loopie
i plug a normal car charger output 4 amps every 3 weeks if not being used.. a tender only puts about 1.5 volts. but each person has different views
I think you mean 1.5 amps - ideal rate / amps of charge varies among battery designs and some have step charging rates
that works best for that battery type.
 
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Old Mar 4, 2018 | 11:19 AM
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I picked up the Duracell from Batteries Plus. In 14 days or so it will be starting it's third season.
 
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Old Mar 4, 2018 | 08:53 PM
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Originally Posted by terrysillik
hate to open this topic, but I have been having a real bad time with H-D batteries, my 01 low rider is charging 14.35 to the battery and the last couple of H-D batteries last barely a year. What kind of batteries are people having the best luck with. I also keep a tender on it. starter is not that old. terry
Going through batteries that fast should be a red flag that you have an underlying problem. Getting a defective battery from MoCo happens, but two in a row with the same exact failure symptoms is not likely. Time to start looking...

I had a failure after 6 months on a new HD battery for my 2001 FXD. I kept checking things and finding nothing wrong and then everything works when it is back together. This happened several times. Everything I know about this stuff kept point to the battery only it always checked good. Finally one afternoon it would not turn over so I took the battery straight to the dealer, told them what was going on, and got a warranty replacement and have not had a problem since. (knock on wood)

Another thing, I rarely use a tender because I ride a lot all year long but I was using one on the new battery that failed. I have used the tender on this current battery only a couple of times and so far no problems after almost 20 months...
 

Last edited by skinman13; Mar 4, 2018 at 08:55 PM.
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Old Mar 4, 2018 | 09:32 PM
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My experience os similar to Skinman's.

With lead acid batteries (incl AGM), it's better to store a fully charged battery disconnected in a cool place like your basement. Set it on a rubber or wood surface.
 
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