Question on a Battery Maintainer


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wally
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Question on a Battery Maintainer

Postby wally » Thu Nov 01, 2012 6:32 pm



Does anyone know if you have a maintainer hooked up to your bike and start the bike with it hooked up will it damage the maintainer or the bike charging system?



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Re: Question on a Battery Maintainer

Postby cbx4evr » Thu Nov 01, 2012 8:42 pm

WingAdmon is the electrical Guru but personally I wouldn't recommend it.
"It´s a friggen motorcycle, it´s not supposed to be comfortable, quiet or safe. The wind noise is supposed to hurt your ears, the seat should be hard and riding it should make you s**t your pants every now and then. "

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Re: Question on a Battery Maintainer

Postby tandem54 » Thu Nov 01, 2012 10:18 pm

I have started mine after forgetting to un-hook the battery tender and have not had a problem yet!? I would think it is ok if you don’t leave it on too long.
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Re: Question on a Battery Maintainer

Postby redial » Thu Nov 01, 2012 10:28 pm

Turn it off at the wall socket, then disconnect the battery. The reverse occurs when you hooking it back up, ie leads to the battery, then turn on at the mains. Check fluid levels.
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Re: Question on a Battery Maintainer

Postby Delmarosalinda » Thu Nov 01, 2012 10:29 pm

It wont hurt your maintainer as it is only about 2 amp. Remember, if it is connected and not pluged in, it will draw from the battery.

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Re: Question on a Battery Maintainer

Postby Ghostrider52005 » Fri Nov 02, 2012 12:03 am

+1 learned that the hard way. Had the charger on unplugged it the night before since everything was hot and planned on early start. Left it hooked up because the bike was covered. Next morning battery was down from the maintainer running it down. :roll:

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wally
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Re: Question on a Battery Maintainer

Postby wally » Fri Nov 02, 2012 6:54 am

I kinda thought that the maintainer might draw the battery down, when we lost power at the beginning of the week for 2 1/2 days I went around and disconnected them but I also thought that a power surge could damage them. Just playing it safe!

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Re: Question on a Battery Maintainer

Postby WingAdmin » Fri Nov 02, 2012 10:18 am

I can speak for the Battery Tender Jr. only - it will NOT damage either the bike or the maintainer running the bike with it still connected. There is documentation that comes with it that says specifically that. As for leaving it connected to the battery but not plugged in - I don't know, but I've just sent an email to them to ask.

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Re: Question on a Battery Maintainer

Postby WA9FWT » Fri Nov 02, 2012 11:34 am

WingAdmin wrote:I can speak for the Battery Tender Jr. only - it will NOT damage either the bike or the maintainer running the bike with it still connected. There is documentation that comes with it that says specifically that. As for leaving it connected to the battery but not plugged in - I don't know, but I've just sent an email to them to ask.


Waiting for the answer too.I do start the bike all the time with charger hooked up.Never have had any problems.
Every time I park the bike, I hook up the charger,but when I disconnect the charger, I unplug from the outlet.
I'm sure this procedure doesn't make a differance or is detrimental to the charger.

All could depend on the manufacture or model of charger ? ;)
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Re: Question on a Battery Maintainer

Postby Delmarosalinda » Fri Nov 02, 2012 11:40 am

Is sure you are correct. I would imagine a few chargers may not discharge the battery. I just know some will. Will be interesting to see what JR will do.

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Re: Question on a Battery Maintainer

Postby WingAdmin » Fri Nov 02, 2012 12:15 pm

WA9FWT wrote:Waiting for the answer too.I do start the bike all the time with charger hooked up.Never have had any problems.
Every time I park the bike, I hook up the charger,but when I disconnect the charger, I unplug from the outlet.
I'm sure this procedure doesn't make a differance or is detrimental to the charger.

All could depend on the manufacture or model of charger ? ;)


I leave my Battery Tenders plugged in and powered up at all times. When I pull the bike in, I plug it into the Battery Tender.

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Re: Question on a Battery Maintainer

Postby WingAdmin » Fri Nov 02, 2012 1:11 pm

WA9FWT wrote:
WingAdmin wrote:I can speak for the Battery Tender Jr. only - it will NOT damage either the bike or the maintainer running the bike with it still connected. There is documentation that comes with it that says specifically that. As for leaving it connected to the battery but not plugged in - I don't know, but I've just sent an email to them to ask.


Waiting for the answer too.I do start the bike all the time with charger hooked up.Never have had any problems.
Every time I park the bike, I hook up the charger,but when I disconnect the charger, I unplug from the outlet.
I'm sure this procedure doesn't make a differance or is detrimental to the charger.


Here's the answer I got from DelTran (manufacturer of Battery Tenders):

As for your questions, no damage will be done to the charger or the battery if the charger is left connected while the engine is running because it is protected against reverse polarity. For your second question the battery will not be drawn down if it is left connected to the charger unplugged.

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Re: Question on a Battery Maintainer

Postby Delmarosalinda » Fri Nov 02, 2012 1:27 pm

Good deal for the brand "battery tender"

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wally
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Re: Question on a Battery Maintainer

Postby wally » Fri Nov 02, 2012 1:41 pm

wow good info to know thanks

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Re: Question on a Battery Maintainer

Postby Delmarosalinda » Fri Nov 02, 2012 1:45 pm

Now we need someone to try it

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Re: Question on a Battery Maintainer

Postby WA9FWT » Fri Nov 02, 2012 2:17 pm

Delmarosalinda wrote:Now we need someone to try it

I'm sure we all at times have tried it with even other brands. And NO problems.
I know our W/ADM knew what the answer was going to be before he sent his note to them.But this way we
know for sure how it works right from the manufacture. Also sure different mode battery tenders chargers will work the same way.
WA9FWT Phil

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Re: Question on a Battery Maintainer

Postby themainviking » Fri Nov 02, 2012 2:25 pm

According to the pamphlet that came with mine, it works the same way as the BT Jnr. In this day and age, I imagine most if now all of them work the same way. Some though, will not charge a discharged battery up no matter how long they are plugged in and attached. They simply maintain the charge that is already there.


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