Testing Battery Capacity
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the battery before it proceeds with a full discharge cycle. The battery is
automatically charged again after the test completes. The whole process
usually takes between 8 and 12 hours.
While running the battery test and until charging is completed, write cache is
temporarily disabled.
For how to replace the battery, see the installation guide that came with your
battery backup unit.
To test the battery in a BBU in 3DM2
1 On the menu bar, choose Monitor >> Battery Backup.
2 On the Battery Backup page, click the Test Battery Capacity link.
Figure 84. Battery Backup Information Screen in 3DM2
3 When a message cautions you that testing the battery will disable the
BBU for up to 24 hours, click OK to continue.
After the battery test starts, you will see the voltage start dropping;
eventually the battery voltage will say "LOW". This is part of the battery
test. After the voltage drops to a point, it will start charging again, and the
status will change to “Charging.” Eventually, the battery voltage will say
“OK” again.
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