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6. 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.
6.1 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 revert or short circuit between the battery anode and cathode.
。
