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Specific gravity of the electrolyte in the lead acid cell or battery (assuming that the battery is not of the sealed type) is often used as a measure of its STATE OF CHARGE.

Sure we can do the same with a multimeter but the above method is more accurate.

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15y ago
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7mo ago

Specific gravity of a lead acid cell measures the density of the electrolyte solution in the cell, which can indicate the state of charge of the battery. A higher specific gravity typically corresponds to a fully charged cell, while a lower specific gravity may indicate a discharged or faulty cell.

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Q: What is measured by Specific gravity of a lead acid cell?
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Related questions

What does specific gravity of a lead acid cell determine?

State of Charge


The specific gravity of a lead acid cell is often used as a measure of its?

Rate of Discharge


Is specific gravity of lead acid cell often used as a measure of its rate of discharge?

rate of discharge


What device is used to test the specific gravity of a cell?

A refractometer is often used to test the specific gravity of a cell.


What are indications that lead acid battery is fully charged?

There are two measures, cell voltage and specific gravity of the electrolyte. Cell voltage is the simplest to measure. For most automotive, flooded cell (having liquid electrolyte) batteries, 12.6 volts is considered full charge, although it is typical to have 13 volts or a bit over. The specific gravity of a fully charged battery, measured with a hydrometer, is 1.265.


What is organ or cell which synthesises specific substances?

deoxyribonucleic acid


How do you find the specific gravity of battery?

'Lead-acid' batteries, sometimes called 'wet' batteries, have lead plates and liquid sulfuric acid inside. As a cell charges up, the specific gravity of the acid increases, and as it discharges, the specific gravity of the acid decreases. So, measuring the specific gravity of the liquid in the cell is a quick and easy way to tell how fully charged the cell is. Anybody who owns and uses some 'wet' batteries also owns a hydrometer ... a gadget that measures the specific gravity (or density) of liquids. The most familiar type looks like a turkey baster, with a little glass glob inside that looks like a miniature thermometer and has numbers marked on it. To use this hydrometer, you squeeze the rubber bulb on top, stick the snout into a liquid, release the rubber bulb which draws some of the liquid up inside, and the little mini-thermometer inside floats in the liquid ... part of it above the surface and part of it below. The higher the specific gravity of the liquid is, the higher this little thing floats. So you look in on it, and read the number marked on it right at the surface of the liquid, and that's the specific gravity. If you're doing this, then you know what number you want to see, and you know whether the number you see means charged, discharged, or something in between. As I recall back in the day, I used to see specific gravity somewhere around 1.20 - 1.25 in each cell of a 48-v battery that was properly floated and equalized on its rectifier. But to be honest, that was a while ago. The constants of nature that define the elementary charge and the Atomic Mass Unit could well have changed since then.


What item of test equipment would be used to check the state of a non sealed battery?

A battery hydrometer which measures the specific gravity (relative density) of liquids, to determine the concentration of sulfuric acid in each cell.


What cell directs similar cells to change into a specific organ?

deoxyribonucleic acid


What is the function of Hydrochloric acid on mitosis experiment?

Hydrochloric acid is used to inhibit cell division during a mitosis experiment. By treating cells with hydrochloric acid, researchers can pause the process of cell division at a specific stage, allowing for detailed observation and analysis of the mitotic process.


Does gravity have an affect on the potential difference of a battery?

No.AnswerPresumably, you mean 'specific gravity' or, as it is known these days, 'relative density'? If so, the relative density of a lead-acid cell or battery is, indeed, a guide to that battery's state of charge -that's why we use a hydrometer to check the condition of a lead-acid battery. However, it would be wrong to say that the relative density of a lead-acid battery 'effects' the voltage -it merely is a guide to the state of charge. (Actually, it's the state of a battery's charge that affects its relative density.)


What is Cell diameter is measured in?

Cells are typically measured in micrometers