Battery Tender; Bad to use on bike every day? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 9 (permalink) Old 06-04-2010, 02:40 AM Thread Starter
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Battery Tender; Bad to use on bike every day?

Hello All,

So I just finished replacing my R/R connector and cleaning the ignition switch. All seemed to be going so well a year ago when I put in the Electrosport stator and R/R. Now I'm wondering about my regular use of the Battery Tender.

I hook the bike up to the Tender every night after the day's ride; done this for years. I've installed the lead so I can "tend" the battery while it's in the bike. Well since the R/R connector issue, I got wondering if having the bike "tended" causes any damage to (or weakening of) the R/R. Any ideas?

Oh, and since I finished this work the charging system runs at 13.85v to 14.17v from 1000rpm up to 5000rpm...so I'm very happy with that.

I look forward to your help.


Best Regards,
Chris

Arvada, CO
VROC No. 7348

E-Mail: [email protected]
My Bike Site: http://home.comcast.net/~countersteer

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post #2 of 9 (permalink) Old 06-04-2010, 03:03 AM
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From what i have read in the forums...it shouldnt do squat to the bike. Unless something is wired wrong in the first place.

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post #3 of 9 (permalink) Old 06-04-2010, 03:07 AM
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the battery maintainer only allows full charge state of battery then shuts itself off there for the charging system doesn't work as hard to maintain full charge state of battery.hope this is helpful ride safe brother
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post #4 of 9 (permalink) Old 06-04-2010, 03:22 AM
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I have 5 bikes, and use a Battery Tender Jr. on all of them. If the bike is at home, It is hooked up to the battery tender. I just started doing this about 6 months ago. I have probably spent over a thousand dollars replacing batteries that went bad before their time over the past 35 years. A battery tender will not only not cause any harm, but is the best thing you can do for your battery. In most cases, it will probably double the life of a battery, plus you won't wind up with a dead battery at an unexpected time. Jerry.

I am a motorcyclist, NOT a biker.


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post #5 of 9 (permalink) Old 06-04-2010, 07:45 AM
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x2 to jerry it is a float charger and cannot overcharge.


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post #6 of 9 (permalink) Old 06-04-2010, 12:44 PM
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Just my opinion. If you ride the bike regularly, there is no need to hook it up to a battery tender. When winterizing, I charge the battery at least monthly.

I use my car regularly all year, and it still has the original battery, now 6 years old, and it's still good.
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post #7 of 9 (permalink) Old 06-04-2010, 01:59 PM
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If your system is working correctly, and you ride often, hooking up every night isn't doing anything as a 'tender or float charger' will only turn on if there is low voltage or cool to cold temps. If you let the bike set for extended times (I'd say more than a weekend), tending would be a good thing or if your voltage is leaking somewhere.

Tending is needed for lead acid batts. From Harbor Freight: CAuTiOn -
TO pREVEnT BATTERY DAMAgE:
Do not use on gel lead-acid or AGM
(Absorbed Glass Mat) type batteries.

Read link about AGM use.

DT

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Last edited by dirtrack650; 06-04-2010 at 02:04 PM.
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post #8 of 9 (permalink) Old 06-04-2010, 03:24 PM
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It's easy enough to see if the float charger is charging. Mine shows a green light if it is giving a charge and a red light if it is not.
I have heard that a float charger gives what is known as a "shallow charge" and that this somehow has a negative effect on the depth of the charge, what ver that means. My experience, however, is that my batteries last longer and have a strong charge for my using it.


Jim
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I do LOTS of dumb stuff. Riding is only one of them.
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post #9 of 9 (permalink) Old 06-05-2010, 01:56 AM Thread Starter
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Thank you everyone for your thoughts and research.

Regular use of the Battery Tender helped me (I believe) get 5 years out of the last battery. And it was encouraging to read that the the bike's system/wiring should be fine while charging the battery in the bike (provided the wiring is all correct and healthy).

I have one of the first models of the Deltran Battery Tender and it has indicator lights for charge and float. Normally, the charge light will light when I plug the bike in, even after a 30-40 minute ride (20 minutes highway followed by about 10 minutes suburban). But it will change to float after about 15 minutes. I'll have to see if it still behaves that way now that the wiring is healthy. If all is well, I'm kind of looking forward to not always plugging the bike in.

Dirtrack650, you got me looking into the whole AGM thing; thanks! My new battery (Apr 2010) is an AGM and Deltran makes a Tender designed to take care of AGMs. From how their docs read (http://batterytender.com/resources/f...s.htm#answer13), it sounds like it takes a bit more to tend the AGMs. I'll just see how the bike's charging system takes care of the battery first. Besides, for the price of the Battery Tender Plus I can get a pair of those Hard Core baffles for my V&H Cruzer pipes.

Best Regards,
Chris

Arvada, CO
VROC No. 7348

E-Mail: [email protected]
My Bike Site: http://home.comcast.net/~countersteer

1986 VN 750 Ebony
Ear Shave & Coasters
Vance & Hines Cruizers
Progressive 440 Shocks - 12"
Race-Tech Cartridge Emulators
Race-Tech Fork Springs
Goodridge Black Stainless Steel Brake Hoses
Ken Sean Chrome Cruiser Mirrors
All Clear Turn Signal Lenses
Clear Brake Light Lens
All Radiantz 1.85" Hardwire LED Lights
Radiantz Chrome Billet LED License Plate Frame
Kuryakyn Run-Turn-Brake Controller
Kuryakyn Solid-state Flasher Unit
Interstate AGM MF Battery (Cycle-Tron II HP)
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