Battery Voltage chart
SuffolkD at aol.com
SuffolkD at aol.com
Fri Jan 7 12:20:04 EST 2005
Heres WHY I change subject threads & headers.
If correct, below is an excellent chart of battery voltage I'd like to find
again..........but its keywords are: Subject: Re: Fuel pressure issues
Try googling a match with "battery, (anything)"
HTH - Scott by BOSTON
> Message: 7
> Date: Fri, 07 Jan 2005 01:09:44 -0500
> From: SJ <syljay at optonline.net>
> Subject: Re: Fuel pressure issues
> SNIP
> ***** Be careful with the voltage readings. Check with a digital meter to be
> accurate.
> A battery that reads a perfect 12.0 volts is essentially dead.
> As you can see by the chart, small voltage differences mean big changes in
> charge.
> If you dont have a good digital meter, a good battery hydrometer is the best
> way to check the battery.
>
> Also, you want to measure the voltage at the pump when its working.
> percentage of charge 12 volt battery
> %charge Volts
> 100 12.70
> 95 12.64
> 90 12.58
> 85 12.52
> 80 12.46
> 75 12.40
> 70 12.36
> 65 12.32
> 60 12.28
> 55 12.24
> 50 12.20
> 40 12.12
> 30 12.04
> 20 11.98
> 10 11.94
>
>
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