Question

1. maintenance free batteries have a built in hydrometer that indicates the batteries state of charge. technician a says to add distilled water to the battery if the charge indicator turns dark green or black. technician b says a fully charged battery has a light green charge indicator. who is correct?

Explanation:

Maintenance - free batteries don't require adding water even if the charge indicator shows dark green or black. A fully - charged maintenance - free battery typically has a light green charge indicator. Technician A is wrong as adding water is not needed, and Technician B is correct about the light green indicating a full charge.

Answer:

B. Technician B