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Battery Maintenance 5-3
IMPORTANT: Before handling a tower UPS, make sure that the UPS is on a flat, stable
surface.
Charging Batteries
The Compaq 2000 Series UPS models automatically charge the batteries when
connected to utility power. No user intervention is required while the UPS is in
use.
■ For information on charging the batteries when installing the UPS, see
“Completing the Installation” in Chapter 2, “Installation.”
■ For information on keeping the batteries charged while the UPS is in
extended storage, see “Care and Storage of Batteries,” in this chapter.
When to Replace Batteries
When the Battery Service indicator (LED 10) turns red, the external battery
module may need to be replaced within 30 to 60 days.
NOTE: If the audio alarm parameter is enabled, the Battery Service indicator will be
accompanied by an audio alarm.
1
Figure 5-1. Battery Service indicator (LED 10)
Battery Service indicator (LED 10)