Dead battery, could you please suggest anything??

bloodline · April 20th, 2015, 04:51 AM

Alright.. so the story is, the retard I am left the key in the ignition turned on all night and the battery is completely dead, flat, ziltch, gone. Id go to turn it again and no lights nothing would come on.

My friend is offering me a car charger to borrow from him, so would that work if I used it on a bike battery?? If so, how many amps should go through the bike?

Model is Kawasaki ninja 250r 2010 model.

csmith12 · April 20th, 2015, 04:57 AM

If you can change the amps on the charger, use the 2amp setting.

Alex · April 20th, 2015, 06:04 AM

/moved to new-gen tech

flitecontrol · April 20th, 2015, 09:36 AM

If the battery won't take a charge, replace it with a Yuasa AGM battery. Top quality, lasts for many years (if you don't leave the key on again

) and is cheapest in the long run.

Ghostt · April 20th, 2015, 10:08 AM

FYI the proper charge rate should be about 10% of the total capacity of the battery, which if my memory serves me right is about 120 CCA, so you really shouldn't exceed 1.2 amps.

You can use the 2 amp automotive charger, but keep a close eye on it.

Wal-Mart carries a nice Charger Maintainer for about $20.00 USD, I have it and it comes with all the goodies as well.

Schumacher XM1-5 Maintainer, 1.5-Amp

http://www.walmart.com/ip/Schumacher...5-Amp/15140193

Or a few dollars more you can get a Battery Tender brand, Wal-Mart also carries them as well, but I've found better price on Amazon.com

Battery Tender 021-0123 Battery Tender Junior 12V Battery Charger https://www.amazon.com/dp/B000CITK8S..._qotnvb18Z6DTX

If the battery is totally flat, then a nice low rate steady charge is the best, yes it will take a little longer, but it's better for the battery, also if your battery is an non-sealed wet cell, check the levels, if low ONLY USE DISTILLED WATER!!! to fill it up to the full marks.

Personally your gonna need it anyway for off season storage, so pick one up.

crazymadbastard · April 20th, 2015, 10:45 AM

I have and like this one:

http://www.walmart.com/ip/Black-Deck...ingMethod=p13n

bloodline · April 23rd, 2015, 03:09 AM

Cheers for the replies fellas!

dcj13 · April 25th, 2015, 06:54 PM

Quote:

Originally Posted by Ghostt

FYI the proper charge rate should be about 10% of the total capacity of the battery, which if my memory serves me right is about 120 CCA, so you really shouldn't exceed 1.2 amps.

Right idea, but wrong spec...

Maximum charge rate should be about 10% of the total capacity of the battery. Cold cranking amps is not the battery capacity: battery capacity is measured in amp-hours. According to Yuasa, the new-gen 250 has a YTX9-BS battery, which has a capacity of 8 amp-hours.

Therefore, the maximum recommended charge rate is 0.8 amps.

Ghostt · April 25th, 2015, 06:56 PM

Quote:

Originally Posted by dcj13

Right idea, but wrong spec...

Maximum charge rate should be about 10% of the total capacity of the battery. Cold cranking amps is not the battery capacity: battery capacity is measured in amp-hours. According to Yuasa, the new-gen 250 has a YTX9-BS battery, which has a capacity of 8 amp-hours.

Therefore, the maximum recommended charge rate is 0.8 amps.

You are correct,thank you for the correction, I have no idea what I was thinking, I'm going to blame old age

dcj13 · April 25th, 2015, 06:59 PM

Quote:

Originally Posted by Ghostt

I'm going to blame old age

I'm with you, brother!

Motofool · April 25th, 2015, 07:39 PM

Quote:

Originally Posted by bloodline

........... My friend is offering me a car charger to borrow from him, so would that work if I used it on a bike battery?? If so, how many amps should go through the bike? .......

Quick discharges and charges are bad for the internal parts of our batteries.
It seems that your discharge was slow because only the small bulbs were left on.

A slow charge of many hours may be your solution, as suggested above.
If your friend's charger delivers many Amps at 12 volts and it is your only option, you could install a 10 watts /12 volts bulb in series with the charger in order to limit the Amps to ideal.

If after full recharge, it continues giving you problems, especially during starting, it is just time for a new one.
You can learn more here:
http://faq.ninja250.org/wiki/Battery_stuff

rojoracing53 · April 25th, 2015, 10:07 PM

I find the few times I drain my battery to zero that my battery tender just wouldn't bring it back even after being plugged in for a day. My solution was to bump start it and ride it around for 30 mins to get that first part of the charge going, then battery tender over night and I was back to 100%.

Ghostt · April 25th, 2015, 11:46 PM

If the battery is totally flat, it would take a few days, at a low rate of charge.

bikermunda · May 6th, 2015, 06:25 PM

Quote:

Originally Posted by flitecontrol

If the battery won't take a charge, replace it with a Yuasa AGM battery. Top quality, lasts for many years (if you don't leave the key on again

) and is cheapest in the long run.

Where can I find this battery? Amazon?

flitecontrol · May 6th, 2015, 07:13 PM

Yes, Amazon usually has the best prices on Yuasa batteries.

April 20th, 2015, 04:51 AM	#1
bloodline Chris Name: Chris Location: Sydney Join Date: Feb 2015 Motorcycle(s): Kawasaki Ninja 250R 2010 Posts: 4	Dead battery, could you please suggest anything?? Alright.. so the story is, the retard I am left the key in the ignition turned on all night and the battery is completely dead, flat, ziltch, gone. Id go to turn it again and no lights nothing would come on. My friend is offering me a car charger to borrow from him, so would that work if I used it on a bike battery?? If so, how many amps should go through the bike? Model is Kawasaki ninja 250r 2010 model.

April 20th, 2015, 04:57 AM	#2
csmith12 The Corner Whisperer Name: Chris (aka Reactor) Location: Northern KY Join Date: May 2011 Motorcycle(s): 2010 250 (track), 1992 250, 2006 R6 (street/track), 2008 R6 (track) Posts: Too much. MOTY 2015, MOTM - Nov '12, Nov '13	If you can change the amps on the charger, use the 2amp setting. __________________________________________________ Goal: Shake A Million Hands \| Look through the corners \| Track Day Prep \| Closest track? \| The Mid-Ohio School

April 20th, 2015, 06:04 AM	#3
Alex ninjette.org dude Name: 1 guess :-) Location: SF Bay Area Join Date: Jun 2008 Motorcycle(s): '13 Ninja 300 (white, the fastest color!), '13 R1200RT, '14 CRF250L, '12 TT-R125LE Posts: Too much. Blog Entries: 7	/moved to new-gen tech __________________________________________________ Montgomery Street Motorcycle Club / cal24.com / crf250l.org / ninjette.org ninjette.org Terms of Service Shopping for motorcycle parts or equipment? Come here first. The friendliest Ninja 250R/300/400 forum on the internet! (especially Unregistered)

April 20th, 2015, 09:36 AM	#4
flitecontrol ninjette.org guru Name: Lee Location: Monroe, LA Join Date: Feb 2014 Motorcycle(s): Rebel 250s, Ninja 250s VN750s (currently nine total) Posts: 465	If the battery won't take a charge, replace it with a Yuasa AGM battery. Top quality, lasts for many years (if you don't leave the key on again ) and is cheapest in the long run. __________________________________________________ Profanity is the weapon of the witless.

April 20th, 2015, 10:08 AM	#5
Ghostt in your machine Name: Scott Location: Summer Shade, Ky. Join Date: Oct 2014 Motorcycle(s): 98 Ninja 250/F12 aka ZX-2R "SERENITY", 91 Ninja 500/A5 aka ZX-5R "Phoenix", 84 Honda GL1200A "SIREN" Posts: A lot. Blog Entries: 25 MOTM - Jun '17, May '16, Mar '15	FYI the proper charge rate should be about 10% of the total capacity of the battery, which if my memory serves me right is about 120 CCA, so you really shouldn't exceed 1.2 amps. You can use the 2 amp automotive charger, but keep a close eye on it. Wal-Mart carries a nice Charger Maintainer for about $20.00 USD, I have it and it comes with all the goodies as well. Schumacher XM1-5 Maintainer, 1.5-Amp http://www.walmart.com/ip/Schumacher...5-Amp/15140193 Or a few dollars more you can get a Battery Tender brand, Wal-Mart also carries them as well, but I've found better price on Amazon.com Battery Tender 021-0123 Battery Tender Junior 12V Battery Charger https://www.amazon.com/dp/B000CITK8S..._qotnvb18Z6DTX If the battery is totally flat, then a nice low rate steady charge is the best, yes it will take a little longer, but it's better for the battery, also if your battery is an non-sealed wet cell, check the levels, if low ONLY USE DISTILLED WATER!!! to fill it up to the full marks. Personally your gonna need it anyway for off season storage, so pick one up. __________________________________________________ *violente et ignorantia* ZX-2R BLOG *Twitter and Instagram = Ghostt_Scott* *I'm not here to change your mind, just to inform.*
	2 out of 2 members found this post helpful.

April 20th, 2015, 10:45 AM	#6
crazymadbastard I'm crazy,your excuse is? Name: Winston Location: Connecticut Join Date: May 2013 Motorcycle(s): 250 2007 ninja Posts: A lot.	I have and like this one: http://www.walmart.com/ip/Black-Deck...ingMethod=p13n __________________________________________________ My Cafe Racer Build My intro post

April 23rd, 2015, 03:09 AM	#7
bloodline Chris Name: Chris Location: Sydney Join Date: Feb 2015 Motorcycle(s): Kawasaki Ninja 250R 2010 Posts: 4	Cheers for the replies fellas!

April 25th, 2015, 10:07 PM	#12
rojoracing53 Fast-Guy wannabe Name: Jason Location: Brentwood, Ca Join Date: Oct 2011 Motorcycle(s): 2009 Ninja250, 2011 RM-Z250, 2004 NSR50, Posts: A lot. MOTM - Jan '13	I find the few times I drain my battery to zero that my battery tender just wouldn't bring it back even after being plugged in for a day. My solution was to bump start it and ride it around for 30 mins to get that first part of the charge going, then battery tender over night and I was back to 100%.
	1 out of 1 members found this post helpful.

April 25th, 2015, 11:46 PM	#13
Ghostt in your machine Name: Scott Location: Summer Shade, Ky. Join Date: Oct 2014 Motorcycle(s): 98 Ninja 250/F12 aka ZX-2R "SERENITY", 91 Ninja 500/A5 aka ZX-5R "Phoenix", 84 Honda GL1200A "SIREN" Posts: A lot. Blog Entries: 25 MOTM - Jun '17, May '16, Mar '15	If the battery is totally flat, it would take a few days, at a low rate of charge. __________________________________________________ *violente et ignorantia* ZX-2R BLOG *Twitter and Instagram = Ghostt_Scott* *I'm not here to change your mind, just to inform.*

May 6th, 2015, 07:13 PM	#15
flitecontrol ninjette.org guru Name: Lee Location: Monroe, LA Join Date: Feb 2014 Motorcycle(s): Rebel 250s, Ninja 250s VN750s (currently nine total) Posts: 465	Yes, Amazon usually has the best prices on Yuasa batteries. __________________________________________________ Profanity is the weapon of the witless.

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