Answer:
Technician A
Explanation:
The Battery Council  International (BCI) battery group numbers is an industry standard for batteries that indicate two important this;
For example : a group 24 battery or a type 27 marine battery are battery group numbers that define the physical dimensions of a battery case. These numbers are important because car owners and manufacturers use the numbers to match vehicle power requirements with the alternators .A mismatch of the battery and the alternator can cause the vehicle's alternator to overheat leading to a short life span.
Technician A statement is correct.