05-09-2011, 09:21 AM #1
What should the battery voltage be when the engine is running?
2006 FX High Output Cruiser......
My battery goes dead after a day or two (sitting) and I'm trying to figure out:
Is my battery bad ?
Is it not getting charged ? (What should my volt meter read when the engine is running?)
Is there a drain on it when the Waverunner is not being used ?
Can anyone tell me the steps I need to take in order to repair this ?
05-09-2011, 09:25 AM #2
- Join Date
- Jul 2007
- near Toronto, Canada
Generally speaking when an engine is running the battery voltage should be between 13.5 volts and 14.5 volts, give or take a little.
Battery voltage below 13.0 volts with the engine running means the battery is not charging.
How old is the battery? A typical lead-acid battery (with six filler caps down the middle) only lasts a few years, sometimes only 2 or 3.
A factory sealed AGM battery should last maybe 5-6 years, depending on how it is cared for.
05-09-2011, 09:26 AM #3
The battery voltage should be around 14 volts when it is charging. It may be a bit lower if the battery is really low and it's trying to juice it up.
I don't believe that there should be much drain on the battery. If the battery is a 2006, just be happy that it lasted that long! Time to buy a new one.
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