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Message started by rl153 on 10/16/09 at 06:43:01

Title: Battery voltage
Post by rl153 on 10/16/09 at 06:43:01

I took my battery out and tested it with a voltmeter .It read 12.25 .Should I charge it at all,and what should the voltage be maintained at over the winter ? Thanks.

Title: Re: Battery voltage
Post by Routy on 10/16/09 at 06:58:46

A fully charged good condition battery should read 12.6-7 after setting at least 24 hrs. If it reads higher than that, you are still seeing a surface charge. If it is lower than that, like 12.2-4 it is not fully charged, or the battery is older and not in such good condition anymore, and is on borrowed time,....... but may still be usable for quite a long time.

For myself, if any battery of mine is going to set for more than a month, it is connected to a maintainer float charger continuosly which will hold the voltage at 13.2-4 volts, and no worry of the battery freezing then either. But w/o charging, the voltage should be held at 12.5-6 on a good battery, and whatever max voltage you can attain on a weak battery.

A 1-2 amp float charger can maintain several batteries at the same time if they were fully charged to begin with.

Title: Re: Battery voltage
Post by bill67 on 10/16/09 at 07:13:37


464F5C43444F1B1813132A0 wrote:
I took my battery out and tested it with a voltmeter .It read 12.25 .Should I charge it at all,and what should the voltage be maintained at over the winter ? Thanks.

   Charge it with 2 amp charger 24 hours and it will be good til spring.

Title: Re: Battery voltage
Post by Routy on 10/16/09 at 07:21:37

If interested....................
Remember, any battery that is less than full charged, is sulfating inside. And lead acid batteries will loose at minimum 10% of their charge per month.

C&P'd from the experts
---------------------------
Voltage State of Charge
12.6+ 100%
12.5  90%
12.42 80%
12.32 70%
12.20 60%
12.06 50%
11.9  40%
11.75 30%
11.58 20%
11.31 10%
10.5  0%

Title: Re: Battery voltage
Post by rl153 on 10/16/09 at 14:11:49

Great answers! Thanks. Found this link .

http://www.totalmotorcycle.com/maintenance/battery.htm#

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