Notes on the use of ups uninterruptible power supply: 1. UPS uninterruptible power supply should be equipped with a certain margin, such as 4KVA load, UPS power supply should be configured with more than 5KVA. ​​ 2. The UPS power supply should avoid frequent startup and shutdown, preferably in a long-term startup state. ​​ 3. The newly purchased UPS power supply should be charged and discharged, which is beneficial to prolong the service life of the UPS power supply battery. ​​ 4. If the power consumption is always normal, the UPS power supply has no chance to work. The UPS power supply should be charged and discharged regularly, which can not only activate the battery, but also check whether the UPS power supply is in normal working condition. ​​ 5. The temperature control during the operation of UPS uninterruptible power supply, because the temperature range during the operation of UPS power supply is controlled within 20 ℃ ~ 25 ℃, so as to prolong the service life of UPS power supply battery. In an environment without air conditioning, the temperature control of UPS power supply is particularly important.