Which method of testing for battery state of charge (SOC)can be used on maintenance-free batteries?
A)built-in hydrometer
B)open circuit voltage test
C)battery hydrometer
D)both A and B

Question

Quizplus · Accepted Answer

Maintenance-free batteries often have a built-in hydrometer and can also be tested using an open circuit voltage test, making both A and B correct methods for testing their state of charge (SOC).

Which Method of Testing for Battery State of Charge (SOC)can