Alternator output

Electrolyse

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Aug 15, 2020
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I know this thread if from 2015 but I may need to understand.

So the output is 600w at max rev I guess, the question is how many watts the XTZ needs to start with light etc, in road use.
And other question is : how many watts I could drain from it w/o having any issue ? I would like to plug some aux LED lights , but some of them are 20w each, other are 40 etc.

thanks
 

WJBertrand

Ventura Highway
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Install a voltage gauge and then manage your on-board electrical accessories accordingly. You might need to turn some stuff off in some conditions, for example at slow in-town speeds compared to highway riding.


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ballisticexchris

Chris Moritz
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600 watts is a lot of juice!! I had no idea until I stumbled onto this thread. Heck my Beta has a rewound stator that puts out something like 100 watts and powers an aux Baja Designs LED light and radiator fan with no issue.

Install a voltage gauge and then manage your on-board electrical accessories accordingly. You might need to turn some stuff off in some conditions, for example at slow in-town speeds compared to highway riding.


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Thanks for the tip Jeff. I have a voltage gauge replacing my cig socket. It never dawned on me to use it as an accessory regulation device. I imagine if I ever go with heated gear I'll have to keep an eye on it around town in stop and go.
 

Electrolyse

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Install a voltage gauge and then manage your on-board electrical accessories accordingly. You might need to turn some stuff off in some conditions, for example at slow in-town speeds compared to highway riding.


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not a bad idea, im gonna find a reliable one , if you have brand's name I'm in :) thanks
 

WJBertrand

Ventura Highway
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not a bad idea, im gonna find a reliable one , if you have brand's name I'm in :) thanks
I've used the Datel brand meters. Waterproof, durable and very accurate. These are panel mount digital gauges rather than something plugged into the cig outlet. I prefer to wire directly to the battery via an ignition on relay on it's own circuit, so as to get the most accurate data on the state of the battery. I've found voltage can vary when connected to other random circuits depending on what load they are carrying and therefore don't directly represent actual battery voltage. Wherever you connect it, it's a good idea to check its accuracy by comparing to a VOM tapping the battery directly.
 

Electrolyse

Active Member
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Aug 15, 2020
Messages
110
Location
Switzerland
I've used the Datel brand meters. Waterproof, durable and very accurate. These are panel mount digital gauges rather than something plugged into the cig outlet. I prefer to wire directly to the battery via an ignition on relay on it's own circuit, so as to get the most accurate data on the state of the battery. I've found voltage can vary when connected to other random circuits depending on what load they are carrying and therefore don't directly represent actual battery voltage. Wherever you connect it, it's a good idea to check its accuracy by comparing to a VOM tapping the battery directly.
thank you, I will check that carefully because I know absolutely nothing about voltmeter DC/AC whatever
 

Sierra1

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I don't think I've ever heard anybody ever complain about accessory overload on these bikes and a lot of us are running heated clothes, extra lights, expresso machines . . . .
I don't know about this bike, but, both the Beemer & the ST put a substantial drain on the batteries when they were ridden around town all day with the grip heaters on; low rpms. I could always tell by how long it took to get back to full charge on the 'Tender.

I have to assume that the Tenere would not be any different.
 
Last edited:

VRODE

Easy Does It
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Aug 7, 2014
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Northern Vermont
I've used the Datel brand meters. Waterproof, durable and very accurate. These are panel mount digital gauges rather than something plugged into the cig outlet. I prefer to wire directly to the battery via an ignition on relay on it's own circuit, so as to get the most accurate data on the state of the battery. I've found voltage can vary when connected to other random circuits depending on what load they are carrying and therefore don't directly represent actual battery voltage. Wherever you connect it, it's a good idea to check its accuracy by comparing to a VOM tapping the battery directly.
I had a Datel voltmeter on my VFR (an absolute necessity), as well as my FZ1. Heated grips and vest was about the limit for the FZ1 charging system. I used it for the Tenere but the display started flaking out so I installed a voltmeter/usb port unit where the 12V outlet was. Running a 90W heated jacket and my heated grips doesn't cause much grief for the charging system.
Still don't know why with all the stuff on the menu display for this bike a voltmeter was not included.
 
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