The lead-acid cell should never be discharged beyond____________?
Correct answer: A. 1.8 V
- A. 1.8 V
- B. 1.9 V
- C. 2 V
- D. 2.1 V
Explanation
A lead-acid cell should generally not be discharged below about 1.8 V per cell, since deeper discharge promotes sulphation and may permanently reduce capacity. The usual nominal cell voltage is 2 V.
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