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I have a 2002 GL1800 with only 7000 miles that has not been ridden much this year, but I noticed that the voltmeter flickers ALOT,especially at idle or when letting off the throttle. It is on a battery tender charger all the time and I took the battery out and cleaned the connections but voltmeter still flickers. I hooked up my multimeter directly to battery and got the same readings as the voltmeter. It goes from 13v to 14.55 volts when it flickers up and down. When you crack the throttle it stays around 14.5v. Is this normal and I just haven't noticed it before or is it due to lack of use? I did pull battery out to check cells but it is a sealed battery and was unable to.Any thoughts would be appreciated.
 

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Gregarious Greeter
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Sounds like a bad battery to me.
 

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The flickering is probably from the alternator brushes corroding on the commutator in the alternator from lack of use.
 

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Discussion Starter · #4 ·
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Thanks for the replies so far-keep the ideas coming. If it is corrosion from lack of use , will it come out of it the more i ride it?
 

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It's possible.
 

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I am the Hobo
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I know others won't agree, but...................

Throw that battery tender away.

If you aren't riding the bike, just get it out of the garage every weekend and run it until the fans kick in. Much healthier to have everything turning and burning on a regular basis. IMO all battery tenders do is teach the battery to think its full.
 

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Gregarious Greeter
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I totally agree with dumping the battery tender.
 

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Interesting,



Brand new portable generator being Battery Tendered for two years. The battery faulted upon generator start.



Fish boat constantly being under shore power trickle charge,had to rplaced two of the three batteries in five years.



Riding the bike every day is not an issue, but further comments like above point a different light to trickle charging.



Read an interesting battery thread on this site last month that has changed my thoughts on trickle charging. DON'T.



Let the batteries get low and recharge through a hard charge. It bears out to read that thread. Batteries like to be cycled. Do a search on this site.



My $.04 worth.
 
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