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Discussion Starter #1 (Edited)
Hey guys, I recently got a new battery for install on Saturday, and a new Optimate 4 battery tender which seems to have advanced nicely over my optimate 3.

Prior to installing the new battery I have charged it twice (whilst sitting on my counter) using the O4 - nice unit. It does a lot of testing/cycling with lots of blinking lights, which according to the manual, is quite normal (depending on the lights that are blinking, of course).

The new (uninstalled) battery went up to a full charge pretty quickly, which was unsurprising yet comforting.

My question is, is it *really* ok to leave such a bettery tender plugged in (i.e., charging/tending) rather indefinitely? I often leave my bike completely unatended for weeks at a time, and I am often leary to leave it plugged into a tender since I may not be back to bike for several weeks.

Anyone with an O4 or comments?

PS for anyone that lives in cold winter climates, do you remove the battery and keep it inside where its warmer? This is my 3rd battery and I think leaving it installed and unused during the cold winter months (October - April) does not lend itself to a long battery life.
 

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I routinely leave my bikes hooked up to a "Battery Tender" when not in use...and certainly all winter long. My bikes are stored in an unheated room off my garage and they've felt no ill effects. I am on my fourth season on both my and my wife's Ducati Monsters, my third season with my 312R and I have a 748 with a battery of unkown life that fired up just fine yesterday for the first time this season...it was stored in September of last year.

New England winters haven't hurt a thing.
 

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I've had my Evo 3 hitched up permanently to Optimate 3 since it was new in 2004 - any time it's not being ridden. No riding September - April at all.
The original battery has just failed and been replaced 3 weeks ago. Is that bad?
 

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Nope, excellent actually. Most batteries have a 5 year life.
 

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I have gotten 8 years from a Yuasa AGM battery....using proper maintenance.

Plug in that Optimate and relax.
 

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I have gotten 8 years from a Yuasa AGM battery....using proper maintenance.

Plug in that Optimate and relax.
Similiar for me.

I use Optimates on all bikes (and cars). Sometimes they are plugged in for many months (sadly!) and I've never had any problems. Definately beneficial to battery life.
 

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Hey guys, I recently got a new battery for install on Saturday, and a new Optimate 4 battery tender which seems to have advanced nicely over my optimate 3.

Prior to installing the new battery I have charged it twice (whilst sitting on my counter) using the O4 - nice unit. It does a lot of testing/cycling with lots of blinking lights, which according to the manual, is quite normal (depending on the lights that are blinking, of course).

The new (uninstalled) battery went up to a full charge pretty quickly, which was unsurprising yet comforting.

My question is, is it *really* ok to leave such a bettery tender plugged in (i.e., charging/tending) rather indefinitely? I often leave my bike completely unatended for weeks at a time, and I am often leary to leave it plugged into a tender since I may not be back to bike for several weeks.

Anyone with an O4 or comments?

PS for anyone that lives in cold winter climates, do you remove the battery and keep it inside where its warmer? This is my 3rd battery and I think leaving it installed and unused during the cold winter months (October - April) does not lend itself to a long battery life.
On receipt of my new bike in March 07 I discarded the charger supplied replacing it with the Optimate 3, this was over 3 years ago and I have always hooked the bike up on returning from a ride out, leaving it on charge be it days, weeks or months till my next ride.

I've recently upgraded to the optimate 4 and still leave my bike in the garage hooked up all the time when not in use, I continue to use the excellent Opt 3 for my track bike as they are all excellent and do exactly as stated on the box. by the way I haven't had to replace the original battery which has never let me down so I would say that it is perfectly OK to leave your bike charging for several months, the Opt 3/4 regulates the charge throughout, all is explained on this site:

http://www.accumate.co.uk/it010003.htm
 
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