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Chapter 4 Maintenance and Storage 27
E1-20010329-C-1.0
Chapter 4 Maintenance and Storage
I. Battery Maintenance
The internal battery of GXT2-3X1 series UPS is sealed, lead-acid, maintenance-free
battery. The battery life depends on the ambient temperature, charge and discharge
cycles . High ambient temperature and deep discharge can shorten battery life.
To ensure battery life, the battery should be maintained regularly:
Keep the ambient temperature between 15℃ and 25℃.
Prevent small current discharge, continuous battery discharge time exceeding 24
hours is must be avoided .
When the UPS hasn't been used for a long time, and the battery hasn't been
charged for 3 months at specified ambient temperature, or 2 months at high
ambient temperature, please charge it for at least 12 hours.
As to external battery of long backup time UPS, the wiring terminals of the external
battery must be checked regularly and, when necessary, should be cleaned.
If the battery backup time is found noticeably shortened, or when the UPS LCD
displays "BATTERY FAIL", please contact the Liebert or its authoriged agent to
confirm whether the battery needs to be replaced. Before replacement, please make
sure that the specifications of the new batteries are correct.