Uninterruptible Power Supplies Online UPS 1K User Manual download pdf (Page 28)

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12. Battery Maintenance

l This series UPS only requires minimal maintenance. The battery used for standard models

are value regulated sealed lead-acid maintenance free battery. These models require

minimal repairs. The only requirement is to charge the UPS regularly in order to maximize

the expected life of the battery. When being connected to the utility power, whether the

UPS is turned on or not, the UPS keeps charging the batteries and also offers the

protective function of overcharging and over-discharging.

l The UPS should be charged once every 4 to 6 months if it has not been used for a long

time.

l In the regions of hot climates, the battery should be charged and discharged every 2

months. The standard charging time should be at least 12 hours.

l Under normal conditions, the battery life lasts 3 to 5 years. In case if the battery is found

not in good condition, earlier replacement should be made. Battery replacement should be

performed by qualified personnel.

l Replace batteries with the same number and same type of batteries.

l Do not replace the battery individually. All the batteries should be replaced at the same

time following the instructions of the battery supplier.

l Normally, the batteries should be charged and discharged once every 4 to 6 months.

Charging should begin after the UPS shuts down automatically in the course of

discharging, the standard charging time for the standard UPS should be at least 12 hours.

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Uninterruptible Power Supplies Online UPS 1K User Manual Page 28