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Author Topic: Battey Voltage  (Read 1530 times)
shortleg
Member
*****
Posts: 1816


maryland


« on: May 02, 2011, 05:30:25 PM »

 I just replaced my battery.
New battery has 13.4 volts,what volts
should it read when running?
        Shortleg[Dave]
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BigMac (SoCal)
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Posts: 1005


Moreno Valley, California


WWW
« Reply #1 on: May 02, 2011, 05:34:31 PM »

Should be around 14.2 volts while running.

Dave
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shortleg
Member
*****
Posts: 1816


maryland


« Reply #2 on: May 03, 2011, 03:50:35 AM »

  Thanks, will put my VOM on it while it is running
at above 1000 rpm to check charging.
         Shortleg[Dave]
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Dirty Dave
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Posts: 118


Montreal, Canada


« Reply #3 on: May 03, 2011, 04:11:17 AM »

My Valk won't charge at 1000 RPM. It got to be above 2500.
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valkyriemc
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Posts: 392


2000 blu/slvr Interstate, 2018 Ultra Limited

NE Florida


« Reply #4 on: May 03, 2011, 04:48:43 AM »

If your reading 14.2 VDC that diff in potential would seem to indicate some current would flow. The guy who rebuilds Valk alternators (ken ?) could probably say for sure.

If you follow this link you can see a graph from a compu fire
alternator vs. a (Goldwing) stock unit; http://www.compufire.com/honda-main.html
« Last Edit: May 03, 2011, 04:53:05 AM by valkyriemc » Logged

Veteran USN '70-'76
DFragn
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Posts: 253


« Reply #5 on: May 03, 2011, 04:54:53 AM »

My Valk won't charge at 1000 RPM. It got to be above 2500.

At idle [900 rpm] and with over 200 watts of accessories running my alternator [OEM @ 85k New brushes @ 60k] is still putting out 14 volts. At 1500 rpm it's doing 14.2. When I park it the battery is at 13.2+, so it is charging.

However, at 2 weeks of not riding it won't start. This is due to the memory drain of the car stereo, CB memory and the alarm. So, if it sits for a week I put the Tender on it.
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sugerbear
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Posts: 2419


wentzville mo


« Reply #6 on: May 06, 2011, 05:45:01 PM »

My Valk won't charge at 1000 RPM. It got to be above 2500.

if it's a stock alt. i think you have a problem......................
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