Is 14 Volts Too High

Is 14 Volts Too High. The battery terminal charging voltage must be less than 14.7 volts to prevent excessive gassing. With solar, particularly during winter, and deeply cycling batteries (75% to 50% state of charge), many times you need to hit the battery with much higher voltages to get it to charge quickly in the limited number of hours per day.

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The battery terminal charging voltage must be less than 14.7 volts to prevent excessive gassing. At the rate you can boil water off pretty fast. The normal charging voltage on a typical application might be 13.9 to 15.1 volts at 77 degrees f.but at 20 degrees f.

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So, to answer your question, yes, 15 volts is too high. Since the voltage is lower on the blue wire than the battery voltage the regulator will try to get a higher voltage out of the alternator.

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6 cells in a 12v battery = 12.6 volts each cell can be charged up to 1/2 volt over so 2.6 volts per cell which is 15.6 volts. With the engine running, ac on and high beams on,.

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The battery terminal charging voltage must be less than 14.7 volts to prevent excessive gassing. If your car battery voltage is discharged, or has less than 12.4 volts, the power decreases dramatically.

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Change the battery too, the excessive voltage probabl hastened its demise. If it continues to climb, it will overcharge the batteries and boil them out, basically ruining them.

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14.6 is a little high but not too high to be concerned. Have a drawdown test done at autozone or wherever.

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If its old school, this is pretty normal, and its time to stop charging. In this case the battery charging voltage is 14.61 volts with the engine at high idle.

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Charging voltage should run up to around 14.5 or so depending upon the regulator. Side note, something i noticed too,.

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At the rate you can boil water off pretty fast. Check voltage with the car off.

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Battery manufacturers give slightly different absorption voltages (or voltage ranges) for their agm units, as listed in the table below. High voltage can boil the water.

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Check voltage with the car off. With solar, particularly during winter, and deeply cycling batteries (75% to 50% state of charge), many times you need to hit the battery with much higher voltages to get it to charge quickly in the limited number of hours per day.

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Most listed 12 volts electronic equipment are rated around 14.5 vdc max. If you are that concerned, get an adjustable buck converter rated at 5 to 10 amps.

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Have a drawdown test done at autozone or wherever. If charging voltage is within 10% of battery voltage with the engine off you should be sitting pretty.

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With the engine running, ac on and high beams on,. Any corroded connections or a sulphated (worn out) battery will be seen as a resistive load in the electrical system causing a high charge rate and a bubbling battery.

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Side note, something i noticed too,. Below zero, the charging voltage might jump as high as 14.9 to 15.8 volts for a short period of time.

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So, to answer your question, yes, 15 volts is too high. In this case the battery charging voltage is 14.61 volts with the engine at high idle.

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So, to answer your question, yes, 15 volts is too high. I also think you are right on in your last sentence, in your last post.

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If it continues to climb, it will overcharge the batteries and boil them out, basically ruining them. With the engine running, ac on and high beams on,.

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The battery terminal charging voltage must be less than 14.7 volts to prevent excessive gassing. But as you have found out being different is not.

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I was taught the 10% rule about ac. Sounds a bit high denis.

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If there is, the voltage will be down some from this. With the engine running, ac on and high beams on,.

6 Cells In A 12V Battery = 12.6 Volts Each Cell Can Be Charged Up To 1/2 Volt Over So 2.6 Volts Per Cell Which Is 15.6 Volts.

With solar, particularly during winter, and deeply cycling batteries (75% to 50% state of charge), many times you need to hit the battery with much higher voltages to get it to charge quickly in the limited number of hours per day. Change the battery too, the excessive voltage probabl hastened its demise. It's accompanied by a sulfur smell.

So, To Answer Your Question, Yes, 15 Volts Is Too High.

In this case the battery charging voltage is 14.61 volts with the engine at high idle. I am not sure if that same rule applies to dc, but i suspect it does. Sounds like you need a new resgulator/brush pack.

Most Listed 12 Volts Electronic Equipment Are Rated Around 14.5 Vdc Max.

The question is, will the internal regulator cut the voltage to 12.6 when the battery is fully charged. If its old school, this is pretty normal, and its time to stop charging. I operate with batteries in the 12.5 to 13.8 vdc all the time with no issues.

Charging Voltages Over 14.7 Volts Can Prematurely Dry The Battery By Boiling Out Electrolyte, And Increase Risk Of A Battery Hydrogen Gas Explosion.

For instance, a deficiency of six tenths of a volt can lead to a power loss of up to 75%. 14.8 is indeed too high. Sounds a bit high denis.

Charging Voltage Should Run Up To Around 14.5 Or So Depending Upon The Regulator.

Much less than 14.2 at a fast idle is bad wiring, bad alternator or regulator, or a bad connection or fuse link. Have a drawdown test done at autozone or wherever. 16 volts is too much.