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5.
Maintenance
Only minimum maintenance is required for this series of UPS. The battery is sealed
lead acid maintenance free. It only needs to be kept charging to obtain the expected
life. Whether it is started or not, the UPS would charge batteries once it is connected
to mains and provide protection for over-charging and deep discharging.
5.1
Battery maintenance
1 It is recommended that the batteries are manually charged or discharged
once every three or four months if UPS has not been used for a long time or the
power is long-term uninterruptible. The battery will be fully discharge to low-voltage
protection shutdown. Then it needs to be fully charged once.
2. In high temperature area, batteries should be manually charged and discharged
once every two months. The process is the same as that said above.
3. Under normal circumstances of using, the battery working life is three to five years.
If you find that the battery do not act well such as obviously shortening of backup
time, too much imbalance on battery voltage so on, the battery should be replaced
as soon as possible, which must be performed by qualified personnel.
4. When replace battery, it is recommended to change battery all together instead of
changing separately.
NOTICE
：
Before replacing batteries, first please turn off the UPS and break off the mains.
Remove your metallic adornment such as finger ring, watch and so on.
When replace batteries, please use the screwdriver with insulating handle. Do not lay
the tools or metallic goods on the battery.
Never reverse or short circuit between the battery anode and cathode
