Q. Specific gravity of a fully charged lead acid cell is approximately

A
1.18
B
1.21
C
1.17
D
1.16
Solution:

Nothing in the battery world is absolute. The specific gravity of fully charged deep-cycle batteries of the same model can range from 1.270 to 1.305; fully discharged, these batteries may vary between 1.097 and 1.201. Temperature is another variable that alters the specific gravity reading

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