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1, open lead acid UPS battery
Advantages: less investment, long life maintenance-free battery, low temperature requirements.
Cons: maintenance complex, and required specialized batteries, corrosive gas, must be charged 50-90 hours, need special maintenance.
2, maintenance-free UPS battery
Advantages: no need to add liquid, such as maintenance, transport is in full charge State, and does not need special maintenance.
Disadvantages: not restorative charge can damage the battery in time, more sensitive to temperature, life is short, expensive than lead-acid batteries.
3, NI-CR-UPS batteries
Advantages: low maintenance requirements, longer life expectancy, not sensitive to temperature, no harmful gas emissions.
Cons: three batteries in the most expensive.
Computer Center most of the selection of maintenance-free UPS battery, maintenance more convenient, but also need to undertake the following tasks:
1, every 3-4 months to discharge to prevent oxidation plate.
2, the ambient temperature should be maintained at 20-25.
3, connection is not too tight or too loose, need to be checked often.
4, the use of required three years after check in time replace the UPS batteries.
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