SuzukiSavage.com - Bump Starting a due to drained battery.

marioivargas Junior Member Offline Posts: 73 Los Angeles Gender:	Bump Starting a due to drained battery. 08/09/11 at 11:51:18 I was in a rush and forgot to take the key out last night and my new battery drained. Will it recharge once I bump start and ride around for a while or do I need to go get it recharged?
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EJID Serious Thumper Offline Work to ride and ride to work. Posts: 1536 Pocatello, ID Gender:	Re: Bump Starting a due to drained battery. Reply #1 - 08/09/11 at 11:58:22 If you have the time, I would charge it. If not, you might be able to jump it, or bump it. Either way, when you do get it running, run for a 30min or more ride before shutting down just to be sure it is charging.
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BurnPgh Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1732	Re: Bump Starting a due to drained battery. Reply #2 - 08/09/11 at 13:48:15 iirc you wont start charging anything until you hit 2-2.5k rpm. so like he ^ said, if you bump, be ready to bump and go consistantly, not stop and go traffic.
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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28884 L.A. California Gender:	Re: Bump Starting a due to drained battery. Reply #3 - 08/09/11 at 13:52:50 It won't charge to full charge, you'll need to put it on a trickle overnight.
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marioivargas

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Re: Bump Starting a due to drained battery.
Reply #4 - 08/09/11 at 21:46:11

Yeah I had to bump start to go to work and then to get back home but it barely charged enough to reignite the ignition when I got home tonight. What's the best way to charge it? Is there a link with specific intructions? My roommate is letting me borrow his charger. Am I going to have to remove the battery completely?

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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28884 L.A. California Gender:	Re: Bump Starting a due to drained battery. Reply #5 - 08/09/11 at 21:49:11 go to wally world or autozone and pick up one of these... http://www.walmart.com/ip/Schumacher-SpeedCharge-Battery-Maintainer-and-Charg...
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marioivargas Junior Member Offline Posts: 73 Los Angeles Gender:	Re: Bump Starting a due to drained battery. Reply #6 - 08/09/11 at 21:55:56 I already have a charger, I just need advice on the best approach to doing it. Does the battery need to be fully removed and is there any quick way to do it?
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Gyrobob

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Re: Bump Starting a due to drained battery.
Reply #7 - 08/10/11 at 05:07:38

marioivargas wrote on 08/09/11 at 21:55:56:

I already have a charger, I just need advice on the best approach to doing it. Does the battery need to be fully removed and is there any quick way to do it?

You don't gain anything by removing the battery,... just leave it installed.

If you can select a low rate on your charger, use that.
-- If not, you can created you own low rate by putting a 2 ohm hi-wattage resistor temporarily inline with one of the charger lines.
-- You can duplicate a low-ohm resistor by clipping one of the charger cables to one end of a looooong 110v extension cord, and connecting a wire from the other end to the battery.
-- Or, even more fun, is to get a piece of wire in the shape of a staple (maybe even use a staple), stick it in both holes of the female end of the extension cord. Then when you hook everything up, clip the charger cable on one prong of the male end, and hook up a wire from the other prong to the battery. (just be sure to pull out the staple before you put the extension cord back in normal use!!)

For a battery that is almost discharged, you can do some damage by charging it at a high rate -- it heats up, it sulfates (coats) the plates, and if the acid levels are high, you'll spew acid out of the vent tube.

Before you do any charging, make sure the acid levels are all correct. Very important.

Like the others have said, to get the battery fully charged using the bike's charging system, you need to go for a long ride on roads where you won't be slowing down very often. How awful, eh?

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Arnold

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Re: Bump Starting a due to drained battery.
Reply #8 - 08/10/11 at 09:35:07

verslagen1 wrote on 08/09/11 at 21:49:11:

go to wally world or autozone and pick up one of these...

http://www.walmart.com/ip/Schumacher-SpeedCharge-Battery-Maintainer-and-Charg...

That thing is good though. I leave my battery on it all winter. I use a 2 prongs attachment that stays on the battery so I can plug it in at will without removing it. The other day I had around 10v left on my battery and it took about 2 hours to get back close to 13v.

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marioivargas

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Re: Bump Starting a due to drained battery.
Reply #9 - 08/12/11 at 01:53:18

So after a couple of rides the battery seems to be charging and I no longer need to bump start the bike. I ordered the Shumacher SC-600A charger to give it a full charge over night. Here's my new issue-

The charge will not detect the battery so the connected light never turns on, all the charger does is turn on its little fan. Is this a faulty charger? I've read that the charger will not detect the battery if it has less than 1 Volt of power but I'm assuming there's no way the motor would crank if the battery were that low and it would also make no sense to make a charger that can't charge a battery that's low.

I'm assuming if I keep riding, eventually the battery will reach a full charge on its own. Is this a safe assumption?

Any knowledge on the charger or battery would be greatly appreciated.

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Arnold Serious Thumper Offline The dude abides... Posts: 896 Westchester, NY Gender:	Re: Bump Starting a due to drained battery. Reply #10 - 08/12/11 at 05:04:45 Can you test the charger on another battery?
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bill67 Serious Thumper Offline old tired Posts: 8517 genoa city wisconsin Gender:	Re: Bump Starting a due to drained battery. Reply #11 - 08/12/11 at 05:23:02 A regular battery charger works best,Get one that will do 2 amps and 10 amps.Do the motorcycle on the 2 amp over night.
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Gyrobob

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Re: Bump Starting a due to drained battery.
Reply #12 - 08/12/11 at 07:59:29

bill67 wrote on 08/12/11 at 05:23:02:

A regular battery charger works best,Get one that will do 2 amps and 10 amps.Do the motorcycle on the 2 amp over night.

Any steady charge (1 amp, 2 amps, 4 amps, 6 amps, 10 amps, 100 amps, whatever........) will percolate the battery acid eventually because the voltage stays the same. These are old-style, lo-tech, tools that remain popular because guys remember this is what their Dad used for so many years. Using a constant voltage charger that has only two amperages is like having only two sockets in your socket set, 7mm and 14mm. They work well in some situations, but don't fit very well in many others.

The best chargers are those having a variable voltage/rate charge, controlled by a teensy computer inside, that tapers the charge way off once the battery is fully charged. These are especially good for long term storage,... like a bike in Anchorage that sits idle for 5 months at a time.

As Verslagen1 suggested, the Schumacher SEM-1562A at Walmart is one of these.

These (made just for motorcycles) are also very good http://batterytender.com/motorcycle.html

Bill67, how are you coming on that response for oil that is best for 250cc vs 650cc?

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marioivargas Junior Member Offline Posts: 73 Los Angeles Gender:	Re: Bump Starting a due to drained battery. Reply #13 - 08/12/11 at 09:18:10 After the charger failed I put the battery back on the bike and it cranked just fine so the battery is good and the connections are good, it's a pretty clean battery. I took the battery back out to retry to charge to no avail. I'm pretty sure Schumacher just sent me a faulty charger.
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papi_ocho

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Re: Bump Starting a due to drained battery.
Reply #14 - 08/13/11 at 06:13:43

marioivargas wrote on 08/12/11 at 01:53:18:

So after a couple of rides the battery seems to be charging and I no longer need to bump start the bike. I ordered the Shumacher SC-600A charger to give it a full charge over night. Here's my new issue-

The charge will not detect the battery so the connected light never turns on, all the charger does is turn on its little fan. Is this a faulty charger? I've read that the charger will not detect the battery if it has less than 1 Volt of power but I'm assuming there's no way the motor would crank if the battery were that low and it would also make no sense to make a charger that can't charge a battery that's low.

I'm assuming if I keep riding, eventually the battery will reach a full charge on its own. Is this a safe assumption?

Any knowledge on the charger or battery would be greatly appreciated.

I have a black and decker tender that does the same thing. I connect like instructed, wait for lights to change to charging, if no change I turn the key to ON forces the tender to recognize the change in volts and then it switches to charging. If the battery is charged it will only charge/test/moniter for a min or two. Then back to green.

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