Is it normal...? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 20 (permalink) Old 09-29-2010, 07:57 PM Thread Starter
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Is it normal...?

I hooked up my battery to a Battery Tender Jr. It has been charging for around 1.5 days now (I killed the battery) and today I noticed that something leaked and it seems like battery fluid came out... is this normal or is something weird going on here? I checked the level and it's still between the two lines, so it's fine I think. Don't have a voltmeter on hand to check anything though.
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post #2 of 20 (permalink) Old 09-29-2010, 08:06 PM
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batteries leak do to over chargeing sometime, but i can't see a battery tender doing that unless it is faulty

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vn800 tank and guages
modified seat and recovered
rear frame chopped
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post #3 of 20 (permalink) Old 09-29-2010, 08:18 PM Thread Starter
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Any way I can test if it's faulty?
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post #4 of 20 (permalink) Old 09-29-2010, 08:59 PM
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The Battery Tender Junior is only rated at 0.75 amps, and does have an electronic brain that puts it into float mode when the battery is fully charged. Shouldn`t be able to overcharge. More info here:
http://batterytender.com/battery-ten...-at-0-75a.html

If any acid spilled on your bike rinse it off asap. With no meter it is hard to check the battery or the tender. Try starting the bike. It won`t tell you the voltage, but will let you know if the battery is charged.

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

H-D windshield
Relocated R/R
MF-AGM battery
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July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/11-vn750-general-discussion/9127-top-ten-items-you-would-suggest-new-owner-do-his-new-ride.html

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post #5 of 20 (permalink) Old 09-29-2010, 09:17 PM
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Garage
baking soda may neutralize that spill too.

1986 vn 750 aka "Huck Farley"
42,000 miles
Rick's stator and rr
Tuxedo stator cover mod
pickup coil mod
dampers replaced
agm m/f battery
Harley sportster exhaust, degoated
Hid conversion
splines lubed
custom "vn750.com" grill cover
NGK Iridium spark plugs


acct to mcct mod https://www.vn750.com/forum/showthread.php?t=17917

rekeying locks, https://www.vn750.com/forum/showthread.php?t=7309

stator replacement walkthrough, https://www.vn750.com/forum/showthread.php?t=11369
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post #6 of 20 (permalink) Old 09-29-2010, 09:49 PM
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Quote:
Originally Posted by Ceal View Post
.. (I killed the battery)..
Wet cells, even AGM type, do not like to be completely discharged. There are all sorts of tests you can do, but if the battery is more than a few years old, then consider replacing it. Buy a good AGM battery and don't let it completely discharge.


Chris Glennon - Portland, OR
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post #7 of 20 (permalink) Old 09-29-2010, 09:55 PM
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don't know how to measure amperage, but you can cheack the output voltage.

Harley sportster fenders
custom raked front end
custom exhaust
vn800 tank and guages
modified seat and recovered
rear frame chopped
custom wiring harness
airbox removed
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post #8 of 20 (permalink) Old 09-30-2010, 12:07 AM Thread Starter
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Well I got a multimeter from a friend tonight, I checked the voltage with the tender connected and it was at 14.14V I disconnected it and I'll check the voltage after I have some dinner and see if it's keeping the charge.
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post #9 of 20 (permalink) Old 09-30-2010, 02:21 AM Thread Starter
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After a couple hours, I checked the voltage and it's at 12.69V The tender never changed to "storage mode" though, it just keeps charging. Is that a normal voltage for a good battery?
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post #10 of 20 (permalink) Old 09-30-2010, 02:22 AM Thread Starter
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Oh and the AGM battery is definitely on my list of things to get in the near future, I just thought other stuff like fixing the brake cylinder is more important for now.
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