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Using the percentages of the reference value
You can use the percentages of the reference value to help you determine the strength of the site. Table 6
lists ranges of reference value percentages, and the action you should take.
% of the
reference
value
Battery condition
Action
>80%
Good
Check the battery to look for physical damage
60-80%
Serviceable with
maintenance
Check for problems and refer to
• Test results or other information about the site to
determine the cause of low readings.
• Your company maintenance procedures for battery
maintenance
• IEEE standard 1188-1996: Recommended Practice
for
Maintenance, Testing and Replacement of
valve-Regulated,
Lead-Acid (VRLA) Jars for Stationary Application
<60%
Unserviceable
Replace the jars. Refer to your company jar
replacement procedures or IEEE standard 1188-1996.
