Riding Without A Battery - Honda Rebel Forum
 
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post #1 of 5 Old 09-16-2019, 09:38 PM Thread Starter
 
Join Date: Jun 2019
Location: Austin, Tx
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Lightbulb Riding Without A Battery

Had anyone here done much riding without a battery?


I'm curious because I haven't bought one for my bike yet and don't really want to. Only problem is the headlight. I don't have a battery in place right now and the problem I'm having is the headlight is very dim while riding. When I hit the brakes it will brighten up a bit, and when I'm idling it goes to full intensity. When the rpm increases the light dims.
I feel like it should be doing the opposite. With increase in speed charging should increase.



Is this normal for not having a battery hooked up?

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post #2 of 5 Old 09-16-2019, 10:32 PM
 
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Batteries not only store power, they act as an electrical shock absorber..
wouldn't be surprised if you experience voltage regulator, or stator coil failure over time..
Than again alternator terminal connectors are also known to melt due to higher current over time..

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post #3 of 5 Old 09-17-2019, 05:16 PM
 
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I've ridden home without a battery twice now. I go home, directly to home and I do not pass Go. I never did pay attention to the headlight, but the blinkers were slower at idle and faster with some revs. I don't recommend riding like that, but if you gotta get home...

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post #4 of 5 Old 09-17-2019, 09:04 PM Thread Starter
 
Join Date: Jun 2019
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I only asked because this has been bugging me with the lights dimming with revs. Just curious what other people experienced with no battery or a dead battery.



The battery that came with the bike is shorted so I've been riding with it disconnected. I was poking around with the volt meter today, and it turns out the regulator is only putting out 12.2 volts at idle, and dropping down to 8 at higher rpms. Checked the stator output to the regulator and all three legs are cranking out a healthy 17 volts.


I'm going to order a regulator before I get a new battery. Thinking a used one off ebay, maybe a cheap china one of the connectors are the same.

1970 CT90
1986XL600R
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post #5 of 5 Old 09-17-2019, 10:14 PM
 
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imo voltage regulator side of rectifier is seeing 18-20v output off idle and shutting down output..
because these devices use semiconductors cycling can happen in milliseconds..

There is no way you can reliably test alternator, voltage regulator, and rectifier circuits without a healthy battery.. Period..

This page may explain better than I.. battery is a shock absorber volt regulator has place to dump excess current/voltage..
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